Honda Marine BF30A Owner's Manual 105 Pages
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Thank you for purchasing a Honda
Outboard Motor.
This manual describes the operation and maintenance of the Honda BF25A and BF30A Outboard Motors.
All information in this publication is based on the latest product informa- tion available at the time of printing.
Honda Motor Co., Ltd. reserves the right to make changes at any time without notice and without incurring any obligation.
No part of this publication may be reproduced without written permission.
This manual should be considered a permanent part of the Outboard Motor and it must stay with the Outboard
Motor if resold.
READ THIS OWNER’S MANUAL
CAREFULLY. Pay special attention to these symbols and any instructions that follow.
B
You WILL be
KILLED or SERIOUSLY HURT if you don’t follow instructions. m YouCANbe
KILLED or SERIOUSLY HURT if you don’t follow instructions.
-
You CAN be HURT if you don’t follow instructions.
( NOTlCEl Your outboard motor or other property can be damaged if you don’t follow instructions
Honda Outboard Motors are designed to give safe and dependable service if operated according to instructions.
Operating this Outboard Motor requires special effort on your part to ensure your safety and the safety of others.
- Careless operation or misuse may cause injury or property damage. Read and understand this owner’s manual before operating the Outboard
Motor.
If a problem should arise, or if you have any questions about your
Outboard Motor, see an authorized
Honda Marine or Honda Outboard
Motor dealer.
HONDA
MOTOR CO., LTD. 1994,
ALL RIGHTS RESERVED
1
TYPES OF HONDA BF25A/30A OUTBOARD MOTORS
It may be necessary to refer to this chart for reference purposes when reading this manual.
(example)
LHS
-
TYPE CODE
S = Electric Starter
Control
H = Tiller Handle
R = Remote
Shaft Length
(transom height)
S = Short
L = Long
X = Extra Long
2
RIGHT STE_RN BRACKET
STARTER MOTOR
IDENTIFICATION NUMBERS
PRODUCT IDENTIFICATION NUMBER
Record the Product Identification
Number (P.I.N.) and the Engine Serial
Number for your reference. Refer to the Product Identification Number when ordering parts, and when mak- ing technical or warranty inquiries
ENGINE SERIAL NUMBER
The Product Identification Number is stamped on a plate and attached to the right stern bracket. The Engine Serial
Number is stamped on the cylinder block under the starter motor which is located in the front of the engine.
Product identification number:
Engine serial number:
3
CONTENTS
SAFETY LABELS ................................................... 6
SAFETY INFORMATION ...................................... 7
2. COMPONENT IDENTIFICATION ........................... 8
TILLER HANDLE TYPE
Engine Start Button .................................................. 1 1
Gearshift Lever .........................................................
I 1
Choke Knob .............................................................. I I
Throttle Grip ............................................................. 12
Throttle Opening Indicator ....................................... 12
Throttle Friction Knob .............................................. 12
Engine Stop Switch .................................................. 13
Emergency Stop Switch Lanyard ............................. 13
Oil Pressure Indicator Light ..................................... 14
Recoil Starter ............................................................ 14
REMOTE CONTROL TYPE
Remote Control Lever .............................................. 15
Neutral Release Lever .............................................. 16
Ignition Switch .........................................................
16
Emergency Stop Switch Lanyard ............................. I7
Choke/Fast Idle Lever ..............................................
I8
Manual Choke Knob.. ............................................... 18
Oil Pressure Indicator Light/Buzzer ......................... 19
Overheat Indicator Light/Buzzer .............................. 19
4
CONTROLS & INSTRUMENTS (common)
Tilt Lever. ................................................................. 20
Trim Tab ................................................................... 20
Anode Metal ............................................................. 21
Water Intakes ............................................................ 21
Transom Angle Adjusting Rod.. ............................... 22
Fuel Cap/Gauge/Vent Knob ..................................... 23
Engine Over-Rev Limiter ......................................... 23
Installation ................................................................ 24
Installation position .................................................. 24
Installation height ..................................................... 24
Motor attachment.. .................................................... 25
Engine Cover Removal Installation.. ........................ 26
Engine Oil ................................................................. 27
Fuel Level ................................................................. 28
Fuel Recommendations ............................................ 29
Oxygenated Fuels ..................................................... 30
Propeller and Cotter pin ............................................ 3 1
Steering Friction Adjustment (common) .................. 3 1 l l
Remote Control Friction Adjustment ....................... 32
Other Checks
Fuel hose ................................................................ 32
Stern bracket/clamp screws .................................... 32
l l
Tool kit ................................................................... 32
Anode ..................................................................... 32
Fuel Tank and Vent Knob ........................................ 33
Fuel Line Connection ............................................... 33
Starting the engine (TILLER HANDLE TYPE) ...... 35
Starting the engine (REMOTE CONTROL TYPE). .. 39
Emergency Starting .................................................. 42
Troubleshooting Starting Problems .......................... 47
Break-in Procedure ................................................... 48
TILLER HANDLE TYPE
Gear Shifting.. ........................................................... 49
Steering ..................................................................... 50
Cruising .................................................................... 50
REMOTE CONTROL TYPE
Gear Shifting.. ........................................................... 5 1
Cruising .................................................................... 52
Tilting motor
Tilt Lever .................................................................... 53
Trim Tab Adjustment.. ................................................ 56
MOTOR PROTECTION SYSTEM
Engine Oil Pressure and
Overheat Warning System.. ...................................... 57
Over-Rev Limiter ..................................................... 59
Anode.. ...................................................................... 59
CONTENTS
High Altitude Operation ......................................... 60
TILLER HANDLE TYPE ...................................... 61
REMOTE CONTROL TYPE ................................. 63
9. TRANSPORTING .................................................... 64
10. CLEANING AND FLUSHING ............................... 65
..................................................... 67
Tool Kit and Spare Parts ........................................ 68
MAINTENANCE
SCHEDULE ............................. 69
Engine Oil .............................................................. 7 1
Gear Oil .................................................................. 73
Spark Plugs.. ............................................................ 74
Battery (not included) ............................................ 76
Lubrication.. ............................................................ 78
Engine Fuel Filter ................................................... 80
Fuel Tank and Filter ............................................... 82
Fuse Replacement.. ................................................. 83
Propeller.. ................................................................ 84
Submerged Motor ................................................... 85
12. STORAGE.. .............................................................. 87
........................................... 89
14. SPECIFICATIONS .................................................. 91
WARRANTY SERVICE .........................................
94
16. WIRING DIAGRAM ............................................... 95
17. INDEX ......................................................................
98
5
1. SAFETY
SAFETYLABELS
These labels are in the locations shown. They warn you of potential hazards that could seriously injure you. Read these labels carefully.
6
FLAMMABLE
GASOL I NE
Rwt mu WA1 FOR Fllllffi
GAZOL I NE
PDUllR LlJ MlENJ FwRWlRt LT FwmIWa
SAFETY INFORMATION
For your safety and the safety of oth- ers, pay special attention to these pre- cautions. l l l l l l l
Operator Responsibility
Know how to stop the engine quickly in case of emergency.
Understand the use of all controls.
Do not exceed the boat manufactur- er’s power recommendation, and be sure that the outboard motor is properly mounted.
Never permit anyone to operate the outboard motor without proper instruction.
Stop the engine immediately if any one falls overboard.
Do not run the motor while the boat is near anyone in the water.
Attach the emergency stop switch lanyard securely to the operator.
Do not open the engine cover while the engine is running.
1 l l l l
Before operating the outboard motor, familiarize yourself with all laws and regulations relating to boating and the use of outboard motors.
Do not attempt to modify the out- board motor.
Always wear a PERSONAL
FLOTATION DEVICE (PFD) when on board.
Do not remove any guards, labels, shields, covers or safety devices; they are installed for your safety. l l
Fire and Burn Hazards
Gasoline is extremely flammable, and gasoline vapor can explode. Use extreme care when handling gasoline.
Remove the fuel tank from the boat for refueling.
Refuel in a well-ventilated area with the engine stopped. Keep flames and sparks away, and do not smoke in the area. l
Refuel carefully to avoid spilling fuel. Avoid overfilling the fuel tank
(there should be no fuel in the filler neck). After refueling, tighten the filler cap securely. If any fuel is spilled, make sure the area is dry before starting the engine.
2. COMPONENT IDENTIFICATION
(TILLER HANDLE TYPE)
FUEL LINE
THROTTLE GRIP CONNECTOR
T., . Pm,
\
\, I
I
OIL LEVEL DIPSTICK
\
STARTER GRIP
(Recoil starter
O!L FILLER CAP type)
ENGINE COVER \ /
GEARSHIFT LEVER
ENGINE OIL
DRAINSCREW j&+j
OIL PRESSURE INDICATOR LIGHT
I
I
------,\IP
JlCKl
BRAC
SYSTEM
INDICATOR
VENTILATION
8
TRIM TAH
(ANODE METAL)
WASH PLUG
GEAR OIL DRAIN PLUG
EXHAUST PORT
I
PROPELLER
FRICTION -KNOB \-
ENGINE STAR
BUTTON
(Electric starter type)
C ‘HOKE KNOB
\
WATER INTAK
;E
STOP SWITCH
CLIP
I
I
SPARE EMERGENCY
STOP SWITCH CLIP
GEAR OIL
LEVEL PLUG
2. COMPONENT IDENTIFICATION (REMOTE CONTROL TYPE)
NEUTRAL
OIL PRESSURE
SPARE EMERGE
STOP SWITCH C
CHOKE/FAST
IDLE LEVER
INDICATOR
PROPELLER
NODE METAL)
HAUST PORT
R INTAKE EMERGE
EMERGENCY STOP
SWITCH CLIP
9
2. COMPONENT IDENTIFICATION
FUEL GAUGE
VENT KNOB
/
FUEL TANK
I
FUEL HOSE CONNECTOR
(FEMALE)
PRIMER BULB
Engine Start Button (Electric Starter
Type)
R
(reverse)
\ N
3. CONTROLS (TILLER HANDLE TYPE)
Choke Knob
Gearshift Lever
R
(reverse)
\
N
BUTTON
Move the gearshift lever to the N
(neutral) position before starting. The engine will not start unless the gearshift lever is in the N (neutral) position.
There are three gearshift lever posi- tions.
F (forward): The boat moves forward.
N (neutral): The transmission gears are disengaged from the engine.
R (reverse): The boat reverses.
CHbKE KNOB
When the engine is cold, pull the choke knob. A rich fuel mixture is provided to the engine by pulling the choke knob.
3. CONTROLS (TILLER HANDLE TYPE)
Throttle Grip
Throttle Opening Indicator
THROTTLE OPENING INDICATOR
Throttle Friction Knob
THROTI’LE GRIP
Turn the grip clockwise or counter- clockwise to adjust the engine speed.
Turning the grip in the direction shown by the arrow increases engine speed.
The curve on the grip indicates throttle opening.
RELEASE
Use the throttle friction knob to set the throttle grip at a certain position while cruising. Turning the friction knob clockwise sets the throttle grip, and it is released by turning the friction knob counterclockwise.
12
Engine Stop Switch
, PUSH
3. CONTROLS (TILLER HANDL% TYPE)
Emergency Stop Switch Lanyard
ENGINE STOP SPARE
SWITCH
STOP SWITCH CLIP
Push the engine stop switch to stop the engine.
The emergency stop switch lanyard is provided to stop the engine immedi- ately in the event the operator should fall overboard or away from the con- trols.
The emergency stop switch clip must be engaged with the engine stop switch or the engine will not start.
When the emergency stop switch clip becomes disengaged from the engine stop switch the engine will stop imme- diately.
Attach the emergency stop switch lan- yard securely to the operator when operating the outboard motor.
A spare emergency stop switch clip is provided near the engine stop switch.
13
3. CONTROLS (TILLER HANDLE TYPE)
Oil Pressure Indicator Light Recoil Starter
The green oil pressure indicator light is normally ON when the outboard motor is running.
When the engine oil level is low or the engine lubrication system is faulty, the green oil pressure indicator light turns
OFF.
’ STARTER
’ (Recoil starter type)
Pull the starter grip to start the engine.
Set the gearshift lever in the N (neutral) position before starting.
The engine will not start unless the gearshift lever is in the N (neutral) position.
14
Remote Control Lever
3. CONTROLS (REMOTE CONTROL TYPE)
(NE”kAL)
OPENING
RELEASE
THROTTLE
The remote control lever controls gear selection and throttle opening posi- tions.
It is necessary to pull up the neutral release lever to operate the remote control lever.
REMOTE CdNTROL LEVER
F (forward):
Moving the lever to the F position
(approximately 30” from the N position) will engage the forward gear. Moving the lever further from the F position will increase the throttle opening and the boat for- ward speed.
R
(reverse):
Moving the lever to the R position
(approximately 30” from the N position) will engage the reverse gear. Moving the lever further from, the R position will increase the throttle opening and the boat reverse speed.
N (neutral):
The engine idles and the transmis- sion gears are disengaged.
15
3. CONTROLS (REMOTE CONTROL TYPE)
Neutral Release Lever
Ignition Switch
+ ON START
The neutral release lever is on the remote control lever to prevent an accidental gear engagement.
The remote control lever will not engage forward or reverse gear unless the neutral release lever is pulled up.
The remote control box is equipped with a key type ignition switch.
Key positions:
START
To activate the starter motor and start the engine. (the remote control lever must be in the neutral position)
ON
To run the engine after starting (the battery will discharge if the key is left in this position with the engine not running).
OFF
To stop the engine (IGNITION
OFF).
To prevent the battery from dis- charging, keep the key in the OFF position when the engine is not run- ning.
16
Emergency Stop Switch Lanyard
EMERGENCY
-4
3. CONTROLS (REMOTE CONTROL TYPE)
EMERGENCY
SWITCH CLIP
STOP
The emergency stop switch lanyard is provided to stop the engine immedi- ately in the event the operator should fall overboard or away from the con- trols.
The emergency stop switch clip must be engaged with the emergency engine stop switch or the engine will not start.
When the emergency stop switch clip becomes disengaged from the emer- gency engine stop switch the engine will stop immediately.
The emergency engine stop switch should not be used to normally stop the engine. Use the ignition switch to normally stop the engine.
Attach the emergency stop switch lan- yard securely to the operator when operating the outboard motor.
EMERGENCY
STOP SWITCH CLIP
A spare emergency stop switch clip is provided on the remote control box.
17
3. CONTROLS (REMOTE CONTROL TYPE)
Choke/Fast Idle I
Lever
N (neutral)
CHOKE
AXIMUM FAST IDLE
LOWEST POSITION
Manual Choke Knob
The choke/fast idle lever provides two functions:
1. Electric choke solenoid activation for easy engine start up.
2. Engine fast idle.
The choke/fast idle lever will not move unless the remote control lever is in the N (neutral) position.
Conversely, the remote control lever will not move unless the choke/fast idle lever is in the lowest position.
AST IDLE LEVER
Lift and hold the choke/fast idle lever up fully, this will provide a rich fuel mixture and the correct fast idle.
Gradually lower the choke/fast idle lever to the lowest position to decrease the choke and fast idle.
CHOkE KNOB
A manual choke knob is provided on the right side of the motor which can he used in the event the battery is dis- charged. Pull the manual choke knob, and a rich fuel mixture will be provid- ed to the engine.
18
Oil Pressure Indicator Light/Buzzer
3. CONTROLS (REMOTE CONTROL TYPE)
Overheat Indicator Light/Buzzer
The green oil pressure indicator light turns OFF and the buzzer sounds when the oil level is low and/or the engine lubrication system is faulty.
The red overheat indicator light turns
ON and the buzzer sounds when the engine cooling system is faulty. The engine speed slows down gradually.
19
3. CONTROLS & INSTRUMENTS (common)
Tilt Lever
Trim Tab
LEVER
Use the tilt lever to temporarily tilt the motor when the boat is operating or mooring in shallow water.
Tilt lever in the TILT position:
The lock mechanism between the motor and stem bracket is unlocked.
The motor can be tilted up to either the 30°, 45” or 75” tilt position.
Tilt lever in the RUN position:
The lock mechanism between the motor and stern bracket is locked when the motor is in contact with the transom angle adjusting rod.
20
When making a turn, if an unequal amount of effort is required to turn the steering wheel or tiller handle right or left, adjust the trim tab so that an equal amount of effort is required.
Distribute4he load evenly in the boat and run the boat in straight course at full throttle. Slightly turn the steering wheel or tiller handle for both right and left turns to determine if an equal amount of effort is required. If adjust- ment is necessary loosen the tighten- ing bolt and turn the trim tab right or left. Make small adjustments at a time and retest.
Incorrect trim tab adjustment can cause adverse steering.
The trim tab also functions as an anode.
Anode Metal
3. CONTROLS & INSTRUMENTS (common)
Cooling System Indicator
Water Intakes
The anode is made from a sacrificial material which helps to protect the outboard motor from corrosion. m Painting or coating the anode will lead to rust and corrosion damage to the outboard motor.
COOLING SYSTEM INDICATOR
The cooling system is monitored here to make sure cooling water is circulat- ing through the engine.
Waier Intakes
The engine cooling water is drawn into the water pump through these water intakes.
21
3. CONTROLS & INSTRUMENTS
(common)
Transom Angle Adjusting Rod
TO CHANGE
TRANSOM ANGLE
ADJjJSTING ROD
UNLOCKED
POSITION
TRANSOM ANGLE ADJUSTING ROD
The transom angle adjusting rod is used to adjust the motor angle to achieve the correct boat trim. There are 5 adjustment holes located in the stem bracket.
Push in and turn the transom angle adjusting rod up to remove. To install insert into the proper hole and turn down to lock. After installation pull the transom angle adjusting rod out- ward to be sure it is locked in place.
Start with the transom angle adjusting rod in the hole closest to the boat tran-
TO LOCK LOCKED POSITION som, lower the motor and operate the boat at full speed. If the bow is exces- sively the low stop the boat and motor. Tilt motor up and raise the transom angle adjusting rod one more hole away from the transom and retest. The optimum boat trim is when the boat is parallel with the water. The transom angle adjusting rod stops the motors forward movement.
The motor should never be operated with the transom angle adjusting rod removed.
22
Fuel Cap/Gauge/Vent Knob
VENT KNOB
GAUGE FUEL FILLER CAP
The fuel gauge is part of the fuel cap.
The fuel cap vent knob controls air entering and leaving the fuel tank.
When refilling the fuel tank, turn the vent knob counterclockwise to the open position and remove the fuel cap.
Before transporting, storing or refill- ing the fuel tank inspect the condition of the fuel cap gasket and replace if necessary.
3. CONTROLS & INSTRUMENTS (common)
Before transporting or storing the fuel tank turn the vent knob fully clock- wise to the closed position.
B Gasoline is extremely flammable, and gaso- line vapor can explode, causing serious injury or death. Do not smoke or allow flames or sparks in your working area. KEEP
OUT OF REACH OF CHILDREN.
Over-Rev Limiter
This outboard motor is equipped with an engine over-rev limiter which limits the maximum engine rpm. This over- rev limiter protects the engine from mechanical damage.
The over-rev limiter may be activated by putting the propeller in a light load condition or propeller ventilation.
When the over-rev limiter is activated the engine rpm will become unstable or erratic. Should this occur reduce the throttle opening and wait for the engine rpm to stabilize then increase the throttle opening.
23
4. INSTALLATION
Installation
It is your responsibility to choose a boat suitable for the motor.
DO NOT OVERPOWER THE BOAT
Do not install an outboard motor that exceeds the recommended maximum horsepower for the boat. Refer to the boat certification plate for the maxi- mum recommended horsepower for the boat. For most boat applications, the motor should have a horsepower which provides 80% of the maximum recom- mended horsepower for the boat. If the certification plate information is not available, contact the boat dealer.
The BF25A/30A must be installed on transoms which have the following minimum or maximu thickness.
I
Boat Transom Thickness
1 Minimum = 1.38 in (35 mm)
( Maximum = 2.24 in (57 mm)
1
I
STERN CENTER LINE
Installation position
Install on the stern center line.
Installation height
For proper propeller depth and engine cooling, the boat and outboard motor transom height must match.
Three outboard motor transom heights are available. Match your boats tran- som height to the outboard motor transom height shown below.
Type
Short
Long
Extra Long
Outboard Motor
Transom Height
16.97 in (43 1 mm)
2 1.73 in (552 mm)
24.88 in (632 mm)
24
@ MOTOR TRANSOM
@ ROAT TRANSOM
HEIGHT
HElGHT
@ O-2 in (O-50 mm)
@ ANTI-VENTLATION PI.ATE
The anti-ventilation plate should be
O-2 inches below the bottom of the boat. With the boat in the water, loaded and motor off, the anti-ventilation plate should be about 4 inches below the surface of the water.
-1 Running the outboard motor without suffkient cooling water will damage the water pump and overheat the engine.
Motor attachment
STERN
P SCREW
SHERS
SAFETY ROPE
Attach the stem bracket to the transom and tighten the clamp screws. l l j=miq
Before operating the boat, check the tightness of the clamp screws.
Tie a rope through the hole in the stern bracket and secure the other end of the rope to the boat. This will prevent accidental loss of the motor.
‘NUT
BOLG
TRANSOM BOARD
To prevent the outboard motor from falling accidentally, you may further secure the stem bracket to the transom board with the optional Mounting Bolt/
Nut Kit. Good quality stainless steel commercially available bolts, nuts and washers may also be used.
Before installing the bolts, be sure to apply sealant to the bolt holes. This modification should be made by your authorized Honda Marine or Honda
Outboard Motor dealer.
For battery handling and installation
information refer to pages 76, 77.
4. INSTALLATION
25
4. INSTALLATION
Engine Cover Removal/Installation
CINE COVER
To remove, release the engine cover latch and remove the engine cover.
To install, position the engine cover over the engine and hook and lock the latch.
26
5. PRE-OPERATION CHECKS
Engine Oil
Engine oil is a major factor affecting engine performance and service life.
m Running the engine with insufficient oil can cause serious engine damage.
Recommended oil
Use high-detergent, premium quality
4-stroke engine oil, certified to meet or exceed U.S. automobile manufac- tures’ requirements for American
Petroleum Institute (API) Service
Classification SG, SH. Engine oils classified SG, SH will show these designations on the container.
Select the appropriate viscosity for the average temperature in your area.
SAE 1OW 30 is recommended for gen- eral, all-temperature use (BF25A).
SAE 5W-30 is recommended for gen- eral, all-temperature use (BF30A).
API Service Grade: Use a Fuel Efficient
SG, SH oil.
NOTE: This oil is usually identified by words such as: “Energy Conserving II.”
“Gas Saving, ” “Fuel Saving, ” etc.
OiL LEVEL
DIPSTICK
Inspection
1. Position the outboard motor verti- cally, and remove the engine cover.
2. Remove the oil level dipstick and wipe with a clean rag.
3. Reinsert the dipstick all the way in, then pull it out and read the level. If the oil registers near or below the lower level mark, remove the oil filler cap and fill to the upper level mark with the recommended oil.
k@f@ Do not overfill. Excessive oil can damage the engine.
4. Reinstall the oil filler cap and tighten securely.
5. Install the engine cover and lock it securely.
When the engine oil is contaminated or discolored, replace with fresh engine oil
(refer to page 7 1 for oil capacity,
replacement interval arid procedure).
To avoid incorrect gauging of the engine oil level, inspect the oil level when the engine has cooled.
27
5. PRE-OPERATION CHECKS
Fuel Level
SAFE FILL LEVEL
VENT KNOB
Check the fuel gauge and refill the tank to the. SAFE FILL level mark if necessary.
Fuel tank capacity : 6.6 US gal. (25 lit)
B Gasoline is extremely flammable, ‘and gaso- line vapor can explode, causing serious injury or death. Do not smoke or allow flames or sparks in your working area. KEEP
OUT OF REACH OF CHILDREN.
Refilling
Remove the fuel tank from the boat for refilling. Turn the vent knob coun- terclockwise to the open position and remove the fuel cap.
Refuel in a well-ventilated area. Fill the fuel tank up to the SAFE FILL level mark only. Inspect the condition of the fuel cap gasket and replace if necessary.
After refilling, install and tighten the fuel cap securely. Turn the vent knob clockwise to the closed position.
Return the fuel tank to the boat.
Fuel Recommendations
Use unleaded gasoline with a pump octane rating of 86 or higher.
This engine is designed to operate on unleaded gasoline.
Unleaded gasoline produces fewer engine ans spark plug deposits and extends exhaust system life.
Never use stale or contaminated gasoline or an oil/gasoline mixture. Avoid getting dirt or water in the fuel tank.
Occasionally you may hear light “spark knock” or “ping- ing” (metallic rapping noise) while operating under heavy loads. This in no cause for concern.
If spark knock or pinging occurs at a steady engine speed, under normal load, change brands of gasoline. If spark knock or pinging persists, see an authorized Honda Marine or Honda Outboard Motor dealer.
-1 Running the engine with persistent spark knock or pinging can cause engine damage.
Running the engine with persistent spark knock or pinging is misuse, and the Distributor’s Limited Warranty does not cover parts damaged by misuse.
5. PRE-OPERATION CHECKS
29
5. PRE-OPERATION CHECKS
Oxygenated Fuels
Some conventional gasolines are being blended with alco- hol or an ether compound. These gasolines are collec- tively referred to as oxygenated fuels. To meet clean air standards, some areas of the United States and Canada use oxygenated fuels to help reduce emissions.
If you use an oxygenated fuel, be sure it is unleaded and meets the minimum octane rating requirement.
Before using an oxygenated fuel, try to confirm the fuel’s contents. Some states/provinces require this information to be posted on the pump.
The following are the EPA approved percentages of oxy- genates:
ETHANOL -
(ethyl or grain alcohol) 10% by volume
You may use gasoline containing up to
10% ethanol by volume. Gasoline con- taining ethanol may be marketed under the name “Gasohol”.
MTBE
- (Methyl Tertiary Butyl Ether) 15% by volume
You may use gasoline containing up to 15%
MTBE by volume.
30
METHANOL
-(methyl or wood alcohol) 5% by volume
You may use gasoline containing up to
5% methanol by volume, as long as it also contains cosolvents and corrosion inhibitors to protect the fuel system.
Gasoline containing more than 5% methanol by volume may cause starting and/or performance problems. It may
If you notice any undesirable operating symptoms, try an- other service station, or switch to another brand of gaso- line. also damage metal, rubber, and plastic parts of your fuel system.
Fuel system damage or performance problems resulting from the use of an oxygenated fuel containing more than the percentages of oxygenates mentioned above are not covered under warranty.
Propeller and Cotter Pin
5. PRE-OPERATION CHECKS
Steering Friction Adjustment
(common)
.’ T&E&EASE
COTTEk PIN
(stainless steel)
Propeller
Check the propeller blades for damage, wear or deformation and replace if necessary. Never operate the outboard motor with a damaged pro- peller.
Carrying a spare propeller, propeller nuts, and cotter pins are common prac- tice. If the propeller is damaged and no spare propeller is available consult an authorized Honda Marine or Honda
Outboard Motor dealer.
(Refer to page 84 for propeller change
information)
PROiELLER
Cotter
Pin
Check the cotter pin for damage and correct installation. If the cotter pin needs replacement use only a new genuine Honda stainless steel cotter pin.
Operate the steering wheel or tiller handle right and left and check for the amount of drag felt.
Adjust the steering friction adjuster so that a slight amount of drag is felt. The steering should move smoothly and freely.
31
5. PRE-OPERATION CHECKS
Remote Control Friction Adjustment
Other Checks
. Tool Kit
FRICTION
Operate the remote control lever into forward and reverse gears and check for the amount of drag felt.
Adjust the remote control friction adjuster so that a slight amount of drag is felt. The remote control lever should move smoothly and freely,
SE
1
2
-
1.
4
Check the following items:
1. The fuel hose for kinking, collaps- ing or loose connections.
2. The stern bracket for damage. Make sure the clamp screws and mounting bolts (if equipped) are tight.
3. The tool kit contents. Compare your tool kit contents against the tool kit illustration above. Replace any missing items.
4. The anodC for damage, looseness or excessive corrosion.
The anode helps to protect the outboard motor from corrosion any time it is exposed directly to the water.
-a
PHILLIPS
SCREWDRIVER
C=-
=a
OIL CHECK
SCREWDRIVER
SCRRWDRIVER
HANDLE
LE2rzzl
I* I I9 Dim WRRNCH
TOOL BAG
Replace the anode when it has been visibly reduced in size.
-1 Painting or coating the anode will lead to rust and corrosion damage to the outboard motor.
The following materials should be kept with the boat:
1. Owner’s Manual.
2. Tool Kit.
3; Spare engine oil, spark piugs, propeller, propeller cotter pins and nut.
4. Required information regarding boating laws and regulations.
32
Fuel Tank and Vent Knob
VENT KNOB
6. STARTING THE ENGINE
Fuel Line Connection
I I
FUEL HOSE
CONNECTOR
The fuel tank must be properly se- cured in the boat. This will protect the fuel tank from mechanical dam- age caused by the fuel tank shifting.
The fuel tank must be in a well venti- lated area to reduce the chance of a gasoline vapor explosion. Avoid di- rect sunlight on the fuel tank.
Due to the fuel pump capacity, do not place the fuel tank more than 6 feet away from the motor or lower than 3 feet below the outboard end fuel hose connector.
1. Open the fuel tank vent by tum- ing the vent knob at least 2 or 3 turns counterclockwise. Allow the air pressure inside the fuel tank to equalize with the outside air. With the vent open, air can en- ter the fuel tank to displace the fuel as the fuel level goes down.
2. Remove the fuel cap and inspect the condition of the fuel cap and gasket. Replace the fuel cap or gasket if they are cracked, dam- aged or leak fuel.
(FUEL TANK END)\
Inspect the fuel hose, and the O-ring seals in the fuel hose connectors. Re- place the fuel hose, or fuel hose connec- tors if they are cracked, damaged or leak fuel. Be sure the fuel hose is not kinked.
1. Connect the fuel hose connector to the fuel tank. Be sure the fuel hose connector is securely snapped in place.
33
6. STARTING THE. ENGINE
FUEL HOSE CONNECTOR
I
PRIMER BULB
(OUTBOARD END)
2. Connect the fuel hose connector to the outboard motor. Install the outboard end fuel hose connector with the clip toward the outside.
Be sure the fuel hose connector is securely snapped in place.
1 II
[ NOTICE 1 If the outboard end fuel hose connector is forcibly in- stalled in the reversed direction, the fuel hose connector O-ring seal can be damaged. A damaged
O-ring seal can cause a fuel leak.
3. Hold the primer bulb so that the outlet end is higher than the inlet end. The arrow on the primer bulb points upward. Squeeze the primer bulb several times until it feels firm, indicating that fuel has reached the carburetors. Check for fuel leaks and repair any leaks before slatting the motor.
Do not squeeze the primer bulb when the motor is running because this could cause the carburetors to overflow.
34
ENGINE STOP
SWITCH I
6. STARTING THE ENGINE (TILLER HANDLE TYPE)
GEAR SHIFT LEVER
EMERGENCY STOP SWiTCH LANYARD
j-iimq
The propeller must be lowered into the water. Rupning the outboard motor out of the water will damage the water pump and overheat the engine.
1. Engage the emergency stop switch clip located at one end of the emer- gency stop switch lanyard with the engine stop switch. Attach the oth- er end of the emergency stop switch lanyard securely to the operator.
A spare emergency stop switch clip is provided near the engine stop switch.
B If the operator does not attach the emergency stop switch lanyard, and is thrown from his seat or out of the boat, the out-of-control boat can seri- ously injure the operator, pas- sengers, or bystanders. Always properly attach the lanyard before starting the motor.
2.
Move the gearshift lever to the N
(neutral) position.
The engine will not start unless the gearshift lever is in the N (neutral) position.
35
6. STARTING THE ENGINE (TILLER HANDLE TYPE)
STARTER
GRIP
THROTTiE GRIP
3. Align the engine start symbol
” QI ” on the throttle grip with the pointer ” ) ” on the tiller handle.
\
CHOKE KNOB
4. When the engine is cold or ambient temperature is low pull the choke knob.
5. Pull the starter rope slowly until a resistance is felt, then pull briskly. l l
Do not allow the starter grip to snap back against the engine.
Return it gently to prevent dam- age to the starter.
Do not pull the starter grip while the engine is running, as that may damage the starter.
36
Electric Starter
(Electric starter Type)
\ START BUTTON
6. STARTING THE ENGINE (TILLER HANDLE TYPE)
6. Press the start button and start the engine. The starter motor consumes a large amount of current.
Do not run it continuously for more than 5 seconds at a time. If the engine does not start within 5 seconds wait at least 10 seconds before using the starter motor again.
m Do not press the start but- ton while the engine is running.
This can damage the starter motor and flywheel.
CHOKE IkNOB
7. If it was necessary to use the choke knob to start the engine, slowly return it to its initial position. Turn the throttle grip in the SLOW direction to a position where the engine does not stall.
37
6. STARTING THE ENGINE (TILLER HANDLE TYPE1
COOLING
SYSTEM
INDICATOR
WATER INTAKE
8. After the engine starts, verify water is flowing through the cooling system by monitoring the cooling system indicator.
The amount of water coming out of the cooling system indicator will vary due to thermostat operation. Stop the engine if water does not come out of the cooling system indicator or if you see steam. Check the water intake screens and the cooling system indicator discharge port and if necessary remove any obstructions. If the problem continues, contact your closest authorized Honda Marine or Honda Outboard Motor dealer. m] R,,
nning the outboard motor with an obstruc- tion in the cooling system can damage the water pump and overheat the engine.
38
NORMALGREEN~IGHTON
ABNORMAL:GREENLIGHT
BLINKINGOROFF
9. With the engine running, check to see if the green engine oil pressure indicator light turns ON.
Stop the engine if the oil pressure indicator light does not
turn ON. Check the engine oil level (see page 27). If the
oil level is normal and the oil pressure indicator light does not turn ON, contact your closest authorized Honda Marine or Honda Outboard Motor dealer.
IO. Warm up the engine as follows:
Above 41 OF (5°C) - run the engine for 2 or 3 minutes.
Below 4 1 “F (5°C) - run the engine for at least 5 minutes at approximately 2,000 rpm - 3,000 rpm.
Failure to completely warm up the engine will result in poor engine performance.
EMERGENCY
6. STARTING THE ENGINE (REMOTE CONTROL TYPE)
N
(neutral)
SPARE EMERGENCY
STOP SWITCH CLIP
(NOTICE1 The propeller must be lowered into the water. Running the outboard motor out of the water will damage the water pump and over- heat the engine.
1. Engage the emergency stop switch clip located at one end of the emer- gency stop switch lanyard with the emergency engine stop switch.
Attach the other end of the emer- gency stop switch lanyard securely to the operator.
-
If the operator does not attach the emergency stop switch lanyard, and is thrown from his seat or out of the boat, the out-of-control boat can seri- ously injure the operator, pas- sengers, or bystanders. Always properly attach the lanyard before starting the motor.
The engine will not start unless the emergency stop switch clip is engaged with the emergency engine stop switch.
A spare emergency stop switch clip is provided on the remote control box.
2. Move the control lever to the N
(neutral) position.
The engine will not start unless the control lever is in the N (neutral) position.
39
6. STARTING THE ENGINE (REMOTE CONTROL TYPE) f--' CHOKE
ON
CHOI~~A~-~~DLEL~ER -
3.
When the engine is cold or the ambient temperature is low, lift the choke/fast idle lever up fully. This will provide a rich fuel mixture.
When the engine is warm, it may be- necessary to raise the choke/fast idle lever slightly. Hold it in this position.
The choke/fast idle lever will not move unless the control lever is in the N
(neutral) position.
4. Hold the choke/fast idle lever in position, turn the ignition key to the
START position and release the key when the engine starts. The starter motor consumes a large amount of current. Do not run it continuously for more than 5 seconds at a time.
If the engine does not start within 5 seconds wait at least 10 seconds before using the starter motor again.
m Do not turn the ignition key to the start position while the engine is running. This can damage the starter motor and flywheel.
5. After starting the engine, return the lever slowly to the position where the engine does not stall and hold the lever in the position.
The control lever will not move unless the choke/fast idle lever is returned to the lowest position.
40
COOLING SYSTEM
6. STARTING THE ENGINE (REMOTE CONTROL TYPE)
OIL PRESSURE
INDICATOR LIGHT
RMAL: GREEN LIGHT’ ON
RMAL: GREEN LIGHT BLINKING
OR OFF
WATER INTAKE
(each side)
6. After the engine starts, verify water is flowing through the cooling system by monitoring the cooling system indica- tor. The amount of water coming out of the cooling sys- tem indicator will vary due to thermostat operation. Stop the engine if water does not come out of the cooling sys- tem indicator or if you see steam. Check the water intake screens and the cooling system indicator discharge port and if necessary remove any obstructions. If the problem continues, contact your closest authorized Honda Marine or Honda Outboard Motor dealer.
(NOTICEI Ru
nning the outboard motor with an obstruc- tion in the cooling system can damage the water pump and overheat the engine.
7. With the engine running, check to see if the green engine oil pressure indicator light turns ON.
Stop the engine if the oil pressure indicator light does not
turn ON. Check the engine oil level (see page 27). If the oil
level is normal and the oil pressure indicator light does not turn ON, contact your closest authorized Honda Marine or
Honda Outboard Motor dealer.
8. Warm up the engine as follows:
Above 41’F (5°C) - run the engine for 2 or 3 minutes.
Below 41°F (5’C) - run the engine for at least 5 minutes at approximately 2,000 rpm - 3,000 rpm.
Failure to completely warm up the engine will result in poor engine performance.
41
6. STARTING THE ENGINE
Emergency Starting
I
6 x 22 mm
BOLTS
NEUTRAL START
CARLE n
T-
6x22mm
FLANGE p BOLT (4)
NGINE COVER
LATCHES
If the recoil starter and electric starting system will not start the engine the engine can be started by using the emergency starter rope from the tool kit.
1. Release the engine cover latch then remove the engine cover.
WASHERS FLYWHEEL COVER
(Electric starter type)
2. Remove the four 6 x 22 mm bolts and the four washers then remove the flywheel cover.
Do not lose the washers.
(Recoil starter type)
3. Move the gearsheft lever to F
(forward) position.
Loosen the neutral start cable lock nut and disconnect the neutral start cable.
4. Remove the four 6 x 22 mm flange bolts and recoil starter assembly.
42
(TILLER HANDLE TYPE)
5. Depending on what type of outboard motor you have, move the gearshift lever or the control lever to the N
(neutral) position.
N
(neutral)
6. STARTING THE ENGINE
ENGINE STOP SWITCH EMERGENCY
\yIL
STOP SWITCH
STOP SWITCH
LANYARD
6. If your outboard motor is a tiller handle type, engage the emergency stop switch clip, located at one end of the emergency stop switch lan- yard, with the’engine stop switch.
A spare emergency stop switch clip is provided near the engine stop switch.
43
6. STARTING THE ENGINE
IGNITION KEY
EMERGENCY
STOP SWITCH
CLIP
7. If your outboard motor is a remote control type, turn the ignition key to the ON position. Engage the emer- gency stop switch clip, located-at one end of the emergency stop switch lanyard, with the emergency engine stop switch.
~PAREEME~~ENCY
STOP SWITCH CLIP
A spare emergency stop switch clip is provided on the remote control box.
CHOKE\KNOB
(TILLERHANDLETYPE)
8. If the engine is cold or the ambient temperature is low, pull the manual choke knob located on the front of the outboard motor.
ENGINE START-SYMBOL
6. STARTING THE ENGINE
ST
R
CHOKiE KNOB
(REMOTE CONTROL TYPE)
If the fuel system is working properly, it should only be necessary to pull the engine 1 or 2 times with the choke knob out.
POIN%ER
I
THROTTLE GRIP
(TILLER HANDLE TYPE)
9. On the tiller handle type align the engine start symbol ” QI ” on the throttle grip with the pointer ” ) ” on the tiller handle. On the remote control type .lifi the choke/fast idle lever. The choke/fast idle lever will stay up in the fast idle position.
(REMOTE CONTROL TYPE)
45
6. STARTING THE ENGINE
IO. Set the emergency starter rope knot in the notch in the flywheel and wind the emergency starter rope clockwise around the flywheel.
STARTER
ROPE
11. Pull the emergency starter rope lightly until resistance is felt, then pull briskly.
If the engine fails to start refer to
12.If it was necessary to use the manu- al choke knob to start the engine, slowly return it to its initial position.
13Slowly return the throttle grip to the SLOW position or the choke/fast idle lever to the lowest position to where the engine does not stall. parts can cause-injury. Use extreme care when installing the engine cover. Do not oper- ate the outboard motor without the engine cover.
14.Leave the flywheel cover off and install the engine cover. Lock the engine cover latches. Attach the emergency stop switch lanyard securely to the operator and return to the closest boat landing. Contact your closest authorized Honda
Marine or Honda
Outboard Motor dealer and have the outboard motor and the electrical system checked.
Troubleshooting Starting Problems
SYMPTOM
Starter motor doesn’t turn over.
POSSIBLE CAUSE
1. Shift lever not in neutral position.
2. Blown fuse.
3. Weak battery.
Pull the starter erin hut engine
Starter motor turns over but engine will not starter.
1. Shift lever not in neutral position.
2. Emergency stop switch clip is not engaged.
3.
Out of fuel
4. Vent knob not open.
5. Primer bulb has not been squeezed.
6. Engine flooded.
REMEDY
1. Set shift lever in neutral position.
2. Replace fuse.
3. Start by using starter
1. Set shift lever in neutral position.
2. Engage the emergency stop switch clip
3. Supply fuel.
4. Open vent knob.
5. Squeeze primer bulb to supply fuel.
6. Clean and dry spark plug.
6. STARTING THE ENGINE
47
7. OPERATION
Break-in Procedure
Break-in period 10 hours
Break-in operation allows the moving parts to wear-in evenly and thus ensures proper performance and longer outboard motor life.
Break-in your new outboard motor as follows:
First 15 minutes:
Run the outboard motor at trolling speed. Use the minimum amount of throttle opening necessary to operate the boat at a safe trolling speed.
Next 45 minutes:
Run the outboard motor up to a maximum of 2,000 to 3,000 rpm or
10% to 30% throttle opening.
Next 60 minutes:
Run the outboard motor up to maxi- mum of 4,000 to 5,000 rpm or 50% to 80% throttle opening. Short
48 bursts of full throttle are acceptable but do not operate the motor contin- uously at full throttle.
Next 8 hours:
Avoid continuous full throttle oper- ation (100% throttle opening). Do not run the outboard motor at full throttle for more than 5 minutes at a time.
For boats that plane easily, bring the boat up on plane then reduce the throttle opening to the specified break-in settings called out above.
Gear Shifting
THRO’ITLE GRIP
7. OPERATION (TILLER HANDLE TYPE)
\
F (forward),
Gearshift lever has 3 positions:
FORWARD, NEUTRAL, and
REVERSE.
An indicator at the base of the gearshift lever aligns with the letters F,
N, and R on the motor pan.
1. Align the pointer on the tiller han- dle with the SLOW position on the throttle grip to decrease engine speed.
The throttle mechanism is designed to hmit the throttle grip travel when operating in the REVERSE or NEU-
TRAL positions. The throttle grip can only be turned to the FAST position when operating in forward gear.
2. Put the tilt lever in the RUN position to prevent the outboard motor from tilting up, when operating in reverse.
3. Move the gearshift lever to engage the desired gear.
49
7. OPERATION (TILLER HANDLE TYPE)
Cruisinfx
Steering
RIGHT TURN LEFT TURN
\
F (fnrward)
Move the tiller handle to the left.
Move the tiller handle to the right.
The tiller handle is moved in the oppo- site direction in which you want the boat to turn.
THROT;LE GRIP
With the gearshift lever in the F (for- ward) position, turn the throttle grip toward the FAST mark to increase speed. For optimum fuel economy, limit throttle opening to 2/3.
RELEASE
To set the throttle at a steady speed, turn the throttle friction knob clock- wise. To release the throttle grip for manual speed control, turn the friction knob counterclockwise.
50
Gear Shifting
gorward)
7. OPERATION (REMOTE CONTROL TYPE)
N
(neutral)
30” I
N
(neutral) i 30”
R
(reverse)
MAXIMUM
I
PULL UP
While pulling up the neutral release lever, move the control lever 30” toward F (forward) or 30’ toward R
(reverse) to engage the desired gear.
Moving the control lever further from
30” will increase throttle opening and boat speed.
The control lever will not move unless the neutral release lever is pulled up and choke/fast idle lever is in the lowest position.
51
7. OPERATION
Cruising
F
(forward)
N
(neutral)
I
i
MAXIMUM OPENING
1. Move the control lever from N
(neutral) 30’ toward F (forward) to engage the F (forward) gear.
Moving the control lever further from 30’ will increase the throttle opening and boat speed.
2. For optimum fuel economy, limit throttle opening to 2/3.
52
Tilt Lever
\ PUSH
N
(neutral)
7. OPERATION
SHIFT LEVER
(TILLER HANDLE TYPE)
Tilt the motor up to prevent the propel- ler and gear case from hitting the bottom when beaching or stopping in shallow water.
SWITCH
1. Stop the boat.
(REMOTE CONTROL TYPE)
2. Move the gearshift lever or control lever to the N (neutral) position and stop the engine.
53
7. OPERATION
ENGINECOVERGRIP
TILT~EVER
3. Put the tilt lever in the TILT posi- tion. Use the engine cover grip and raise the motor to either the 30”, 45” or 75” tilt position. l l l
With the motor tilted up:
Operate the boat at low speed.
Do not operate in reverse.
Monitor the cooling system indicator for water discharge. Be sure that the motor is not tilted so high that the water intakes are out of the water.
54
4. To return the motor to the normal
RUN position, move the tilt lever away from your until it stops. Tilt the motor up slightly, then lower the motor slowly until it locks with the transom angle adjusting rod. During cruising, the motor must always be in the normal run position.
75” (when mooring)
49 30’ (when cruising in shallow water)
Reverse Operation:
The tilt lever must be in the RUN position with the motor locked to transom angle adjusting rod. If the motor is operated in reverse with the tilt lever in the TILT position and/or the motor is in one of the three tilt angle positions, the motor is free to tilt up.
NO
1-1 To avoid damaging the motor, use the utmost care when mooring a boat, especially when its motor is tilted up. Don’t allow the motor to strike against the pier or other boats.
7. OPERATION
Motor angle
INCORRECT ‘@z
CAUSES BOAT TO‘
“SQUAT”
INCORRECT
CAUSES BOAT TO
“PLOW”
GIVES MAXIMUM
PERFORMANCE
Motor angle controls boat trim. The optimum boat trim is when the boat is parallel with the water. If the boat is not parallel with the water, adjust by changing the position of the transom
angle adjusting rod (refer to page 22).
During operation, be sure: l
The anti-ventilation plate remains l under water at all times.
Water flows from the cooling l system indicator.
The load is evenly distributed.
Excessive or imbalanced loading will affect the motor’s water depth. Loading too far forward will raise the motor out of the water, reducing engine cooling.
Loading too much too far rearward will push the motor deeper, reducing performance.
The transom angle adjusting rod stops the motors forward movement. The motor should never be operated with the transom angle adjusting rod re- moved. Always check to be sure the transom angle adjusting rod is locked
55
7. OPERATION
Trim Tab Adjustment
TIGHTENING BOLT
The trim tab is provided to adjust for
“torque steer” which is a reaction of the propeller rotation or propeller torque. If during a high speed turn an unequal amount of effort is required to turn the boat right or left, adjust the trim tab so that an equal amount of effort is required.
Distribute the load evenly in the boat and run the boat in a straight course at full throttle. Slightly turn the steering wheel or tiller handle for both right and left turns to determine the amount of effort required.
If less effort is required to make left tums:
Loosen the trim tab tightening bolt and turn the rear end of the trim tab toward the left. Tighten the bolt securely.
If less effort is required to make right tums:
Loosen the trim tab tightening bolt and turn the rear end of the trim tab toward the right. Tighten the bolt securely.
Make small adjustments at a time and retest. Incorrect trim tab adjustment can cause adverse steering.
The trim tab also functions as a sacrifi- cial anode.
-1 Painting or coating the anode will lead to rust and corrosion damage to the outboard motor
7. OPERATION (MOTOR PROTECTION SYSTEM)
Engine Oil Pressure and Overheat Warning System
<Tiller Handle type>
If the engine oil pressure drops, the warning system could be activated and the green oil pressure indicator light will turn OFF.
If the engine overheats, the warning system could be activated and the engine speed will decrease gradually.
<Remote control type>
If the engine oil pressure drops, the warning system could be activated and the green oil pressure indicator light will turn OFF and a continuous buzzer will sound.
If the engine overheats, the warning system could be activated, the engine speed will decrease gradually, the red overheat indicat light will turn ON and a continous buzzer will sound.
<When the engine overheats>
The engine speed can not be increased with a larger throttle opening until the malfunction is corrected. When the malfunction is corrected the engine speed will increase gradually.
Normal
Abnor- mal
OIL PRESSURE
(TILLER HANDLE TYPE)
Low oil pressure
INDICATOR LIGHTS
Indicator light
Oil pressure
Over heat
Remote control type only
ON OFF
OFF
Overheat ON
Low oil pressure/ OFF overheat
OFF
ON
ON
(REMOTE CONTROL TYPE)
Buzzer
Remote control type only
Continuous
Continuous
Continuous
57
7. OPERATION (MOTOR PROTECTION SYSTEM‘)
When the oil pressure warning sys- tems is activated:
1. Stop the engine immediately and check the engine oil level (refer to
2.If the oil is up to the recommended level, restart the engine. If the oil pressure warning system stops after
30 seconds, the system is normal.
3. If the oil pressure warning system stays activated after 30 seconds, return to the closest boat landing and contact your closest authorized
Honda Marine or Honda Outboard
Motor dealers.
COOLING SYSTEM INDICATOR
When the overheat warning system is activated:
1. Return the gearshift lever or control lever to the N (neutral) position immediately. Check to see if water is flowing out of the cooling system indicator.
2. If water is flowing out of the cool- ing system indicator, continue idling for 30 seconds. If the over- heat warning system stops after 30 seconds the system is normal.
3. If the overheat warning system stays activated, stop the engine. tilt up the motor and check the water intakes for obstructions. If there are no obstructions at the water intakes, return to the closest boat landing and contact your closest authorized
Honda Marine or Honda Outboard
Motor dealers.
58
Over-Rev Limiter
This outboard motor is equipped with an engine over-rev limiter which activates when the engine speed increases excessively. The over-rev limiter can be activated while cruising, or when ventilation occurs during a sharp turn.
When the over-rev limiter is activated:
1. Reduce the throttle opening immedi- ately and check the motor angle.
2. If the motor angle is correct but the over-rev limiter stays activated, stop the engine and check the condition of the outboard motor and check the propeller for damage. Correct or service as necessary.
7. OPERATION (MOTOR PROTECTION SYSTEM)
Anode
The anode is a sacrificial material which helps to protect the outboard motor from corrosion.
(NOTICE\ Painting or coating the anode will lead to rust and corrosion damage to the outboard motor.
There is a small sacrificial anode in the water passages of the engine block.
59
7. OPERATION
High Altitude Operation
At high altitude, the standard carburetor air-fuel mixture will be too rich. Performance will decrease, and fuel con- sumption will increase. A very rich mixture will also foul the spark plug and cause hard starting.
High altitude performance can be improved by specific modifications to the carburetors. If you always operate your outboard at altitudes above 6,000 feet (1,800 meters) have an authorized Honda Marine or Outboard Motor dealer perform this carburetor modification.
Even with carburetor modification, engine horsepower will decrease about 3.5% for each 1,000 foot (300 meter) increase in altitude. The effect of altitude on horsepower will be greater than this if no carburetor modification is made.
NOTICE
When the carburetors have been modified for high altitude operation, the air-fuel mixture will be too lean for low altitude use. Operation at altitudes be- low 6,000 feet (1,800 meters) with modified carbure- tors may cause the engine to overheat and result in serious engine damage. For use at low altitudes, have an authorized Honda Marine or Outboard Motor dealer return the carburetors to original factory speci- fications.
60
8. STOPPING THE ENGINE (TILLER HANDLE TYPE)
Emergency Engine Stop
ENGINE STOP SWITCH
ERGENCY STOP
Normal Engine Stop
GEARSHJFT FEVER
N
Disengage the emergency stop switch clip from the engine stop switch by pulling the emergency stop switch lan- yard.
It is a good idea to stop the engine with the emergency stop switch lanyard from time to time to be sure that the switch is operating properly.
THROTTLE GRIP
SLOW c
1. Turn the throttle grip to SLOW position and move the gearshift lev- er to N(neutral).
61
8. STOPPING THE ENGINE (TILLER HANDLE TYPE)
I
PUSH
ENGIN’E STOP -
SWITCH
2. Push the engine stop switch until the engine stops.
62
8. STOPPING THE ENGINE (REMOTE CONTROL TYPE)
Emergency Engine Stop
EMERGENCY
STOP SWITCH
ERGENCY STOP
ITCH LANYARD
Normal Engine Stop
N
(neutral)
CONTR
LEVER
IGNITION KEY
EMEiGENCY STOP SWITCH CLIP
Disengage the emergency stop switch clip from the emergency engine stop switch by pulling the emergency stop switch lanyard.
It is a good idea to stop the engine with the emergency stop switch lanyard from time to time to be sure that the switch is operating properly.
1. Move the control lever to the N
(neutral) position and turn the igni- tion key to the OFF position.
2. When the boat is not in use, remove and store the ignition key.
63
9. TRANSPORTING
Ttailering
STEERING FRICTION
If there is insufficient road clearance with the motor in the normal run po- sition, then trailer the motor in the tilted position using a motor support bar (refer to your motor support bar manufacturer’s instructions) or re- move the motor from the boat.
Horizontal Transport
I
CASE PROTECTORS
I
When trailering or transporting the boat with the motor attached, it is recom- mended that the motor remain in the normal run position. Tighten the steering friction adjuster securely to stop the motor’s side to side movement.
Before removing the motor from the boat, drain the carburetors. Follow the carburetor drain procedure on
Always rest the motor on the case protectors and be sure to protect it from impact and damage.
64
10. CLEANING AND FLUSHING
WASH PLUG (flush plug)
Thoroughly clean and flush the out- board motor with fresh water after operating in dirty or salty water.
Flush Kit (optional part)
1. Wash the outside of the outboard motor with clean, fresh water.
2. Remove the wash plug and sealing washer from the WASH plug hole in the gear case. Be sure not to remove the oil level plug from the
OIL LEVEL plug hole in the gear case.
FLUSH K’IT COUPLER
B Keep children and pets away from the area, and stay clear of all moving parts during this procedure.
3. Remove the sealing washer from the wash plug and install the sealing washer on the flush kit coupler.
4. Install the flush kit coupler into the
WASH plug hole and connect a fresh water hose to the flush kit coupler.
5. Move the gear-shift lever or control lever to the N (neutral) position.
Blush the outboard motor in the neutral position only.
6. Turn on the fresh water supply to the flush kit coupler.
m Running the outboard motor without sufficient cooling water will damage the water pump and overheat the engine.
65
10. CLEANING AND FLUSHING
CObLING SYSTEM
INDICATOR
7. Start the engine. Monitor the cool- ing system indicator. Stop the engine if water does not come out of the cooling system indicator and check the fresh water supply. If the fresh water supply is insufficient it may be necessary to temporarily cover the three water intakes with duct tape.
66
8. Allow the engine to run at idle for at least 5 minutes to clean the inside of the motor.
9. Stop the motor and remove the flush kit coupler. lO.Remove the sealing washer from the flush kit coupler and install the sealing washer on the wash plug.
If tape was used to cover the three water intakes in step 7, remove the tape now.
11 Install the wash plug into the gear case securely.
Periodic maintenance and adjustment are important to keep the motor in the best operating condition. Service and inspect according to the MAINTENA-
NCE SCHEDULE.
Stop the engine before performing any maintenance.
If it is necessary to run the engine make sure the area is well ventilated.
Never run the engine in an enclosed or confined area.
- Exhaust contains poisonous carbon monoxide gas; exposure can cause loss of consciousness and may lead to death.
-Running the
outboard motor
without suffkient cooling water will damage the water pump and overheat the engine.
To maintain the cooling system effi- ciency, flush the outboard motor with fresh water after operating in salt water or dirty water. Make sure there is at least 2 inches of water above the ventilation plate. Or follow the flushing
procedure (refer to pages 65 and 66).
11. MAINTENANCE
67
11. MAINTENANCE
Tool Kit and Spare Parts
The following tools and spare parts are supplied with the outboard motor for maintenance, adjustment, and emergency repairs.
TOOL KIT
10 x 12 mm
WRENCH
8 mm
WRENCH
>
FLAT SCREWDRIVER
PHILLIPS SCREWDRIVER
OIL CHECK SCREWDRIVER n
PLIERS c cl
SCREWDRIVER
3
HANDLE
18 x 19 mm
SOCKET
WRENCH
68
TOOL BAG
11. MAINTENANCE
MAINTENANCE SCHEDULE
Use only genuine HONDA parts or their equivalent for maintenance or repair.
Replacement parts which are not of equivalent quality may damage the motor.
REGULAR SERVICE PERIOD (3)
Performed at evety indicated month or operating hour intervals, whichever comes first.
EACH USE
FIRST
20 HRS
OR MONTH
EVERY
200 HRS
OR YEAR
Engine oil
Gear case oil
Check level
Change
Check level and Check for water contamination
Engine oil filter
Timing Belt
Carburetor linkage
Idling
Valve clearance
Change
Change
Check-readjust
Check
Adjust
Check-readjust
Spark plug(s) Check-clean (Replace if necessary)
Prooeller and cotter oin
Check
(Replace if necessary)
Lubrication
Grease
0
0
0
0 aa
O(2)
O(2)
0
O(1)
0
0
O(2)
O(2)
O(2)
O(1)
EVERY
200 HRS
OR YEARLY
EVERY
400 HRS OR
2 YEARS
0
O(2)
0
69
11. MAINTENANCE
REGULAR SERVICE PERIOD (3)
Perform at every indicated month or operating hour intervals, whichever comes first.
\
Fuel tank and filter
1 EACH
USE / osm 1 l=; !;k$P 4;;%
(I) Lubricate more frequently when used in salt water.
(2) These items should be serviced by an authorized Honda Marine or Honda
Outboard Motor dealer, unless the owner has the proper tools and is mechani- callly proficient. See the Honda Shop Manual.
(3) For professional commercial use, log hours of operation to determine proper maintenance intervals.
70
Engine Oil
Engine oil is a major factor affecting engine performance and service life.
Oil check interval:
Each use.
Oil change interval:
After the first 20 hours, then every
100 hours. (Refer to the mainte-
OIL CAPACITY:
1.7 US qt (1.6 lit) . ..When oil filter is not replaced
2.0 US qt (1.9 lit) . ..When oil filter is replaced
BF25A...SAElOW-30 engine oil or equivalent, API Service classfication
SG, SH.
BF30A...SAE5W-30 engine oil,
API Service classification Fuel
Efficient SG, SH.
11. MAINTENANCE
OIL FILLER cqp
/--
Engine Oil Replacement
Drain the oil while the engine is still warm to assure rapid and complete draining.
1. Position the outboard motor verti- cally, and remove the engine cover.
Remove the oil filler cap.
71
11. MAINTENANCE
2. Remove the engine oil drain bolt and washer using a 12 mm wrench and drain the engine oil.
3. Install a new sealing washer on the drain bolt and tighten the bolt securely.
4. Refill to the upper level mark on the oil level dipstick with the recom- mended oil.
To avoid incorrect gauging of the engine oil level, inspect the oil level when the engine has cooled. The outboard motord motor needs to be in the vertical position.
5. Reinstall the oil filler cap.
Always wash your hands after handling used oil.
Also, please dispose of used motor oil in a manner that is compatible with the environment. We suggest you take it in a sealed container to your local service station reclamation center. Do not throw it in the trash, pour it on the ground, down a drain, or into the water.
72
11. MAINTENANCE
Gear Oil
Oil check interval:
Every 100 hours.
Oil change interval:
After the first 20 hours, then every
200 hours. (Refer to the maintenance
OIL CAPACITY:
0.33 US qt. (0.29 lit)
Recommended oil:
Outboard motor SAE 90 hypoid. gear oil API Service Classification
(GL-4 or GL-5).
LEVEL PLUG
DRAIN PLUG
Gear Oil Level/Check
1. Position the outboard motor verti- cally.
2. Remove the level plug and see if oil flows out. If no oil flows out, fill through the drain plug hole until the oil starts to flow out through the level plug hole. If there is water in the oil, the water will flow out first when the drain plug is removed, or the oil will be milky colored. If the oil appears abnormal contact you closest authorized Honda Marine or
Honda Outboard Motor dealer.
GEAR OIL BOTTLE
A gear oil bottle is recommended to fill the gear case.
The end of the drain plug is a mag- net. Remove all metal particles from the end of the drain plug before reinstalling. Do not reinstall the drain plug in the level plug hole.
3. Use new sealing washers and rein- stall the level plug and drain plug securely.
73
11. MAINTENANCE
Gear Oil Change
1. Position the outboard motor verti- cally.
2. Remove the level plug and drain plug to drain the oil. Inject oil through the drain plug hole until it starts flowing out through the level plug hole. Use new sealing washers and reinstall the level plug first and then the drain plug securely.
OIL CAPACITY:
0.30 US qt. (0.29 lit)
Spark Plugs
To ensure proper engine operation, the spark plugs must be properly gapped and free of deposits.
Check-replace interval:
After the first 20 hours, then every
200 hours. (Refer to the mainte-
Recommended spark plug:
DR7EA (NGK),
X22ESR-U (NIPPON DENSO)
Use only the recommended spark plugs or equivalent. m Spark plugs which have an improper heat range may cause engine damage.
I. Allow the engine to cool. The spark plugs will be hot if the engine has been running.
2. Remove the engine cover.
SPA
PLUG CAPS WRENCH
3. Disconnect the spark plug caps from the spark plugs.
4. Use the wrench and screwdriver supplied in the tool kit to remove the spark plugs.
5. Check the spark plugs. Replace the spark plugs if there is apparent wear, or if the insulators are cracked or chipped. Clean the spark plugs with a wire brush if they are to he reused.
74
(0.6-0.7 mm)
6. Measure the plug gaps with a feeler gauge.
The gaps should be 0.024-0.028 in
(0.6-0.7
mm). Correct as necessary by carefully bending the side elec- trode.
7. Thread the plugs in by hand to pre- vent cross threading.
8. After the spark plugs are seated, tighten with a spark plug wrench to compress the washers.
If installing new spark plugs, tighten l/2 turn after the spark plugs seat to com- press the washers. If reinstalling used spark plugs, tighten l/8 l/4 turn after the spark plugs seat to compress the wash- ers.
11. MAINTENANCE
w The spark plugs must be securely tightened. A loose spark plug can become very hot and may cause engine damage.
Overtightening the spark plugs can damage the threads.
75
11. MAINTENANCE
Battery (not included)
Minimum requirements
12V-7OAI-I marine cranking battery.
Maintenance interval
Refer to the maintenance schedule
page 70 and your battery manufac-
turer’s instructions for servicing or recharging information.
Check the battery cables to be sure they are securely connected to the bat- tery terminals. Tighten if necessary.
If the battery terminals are corroded or if recharging is necessary, remove the battery from the boat to clean or recharge.
CARRYlNG
NEGATIVE (-) tains corrosive sulfuric acid.
Contact with eyes or skin caus- es burns.
Wear protective clothing and use eye protection when working near the battery.
POISON - KEEP OUT OF REACH
OF CHILDREN
TERMINAL
POSITIVE (+) BA’ITERY CABLE (red)
EMERGENCY PROCEDURES:
Eyes
Flush with water from a cup or oth- er container for at least 15 minutes.
Call a physician immediately.
Skin
Remove contaminated clothing.
Flush skin with large quantities of water. Call a physician.
If swallowed
Drink water or milk and call your local poison control center or physi- cian immediately.
76
Battery cleaning
B Batteries produce explosive hydrogen gas. A spark or flame can explode the battery
causing
serious Injury or blind- ness. Provide adequate ventila- tion.
Keep sparks and flames away.
Follow the procedure below carefully.
Removal:
1. Disconnect the negative (-) battery cable first, then disconnect the posi- tive (+) battery cable.
2. Remove the battery from the boat.
Clean the battery terminals with a wire brush or sand paper. Clean the battery with a solution of baking soda and warm water, taking care not to get the solution of water in the battery cells. Dry the battery thor- oughly.
3. Clean the battery cable ends with a wire brush or sand paper.
Installation:
To protect the battery from mechani- cal damage and to prevent the bat- tery from falling or tipping over, the battery must be: l l l l
Installed in the correct size corro- sion-resistant battery box.
Properly secured in the boat.
Secured in a location free from di- rect sunlight and water spray.
Secured away from the fuel tank to avoid potential sparks near the fuel tank.
1. Return the battery to the boat and install it in the battery box.
2. Connect the positive (+) battery cable first, then connect the nege- tive (-) battery cable. Tighten the cable nuts securely.
3. Coat the battery terminals and ca- ble ends with marine anticor- rosion grease.
4. Put the cover on the battery box and secure the battery box to the boat.
11. MAINTENANCE
DC Receptacle (Equipped type only)
DCRECEP’iACLE
TO ACCESS0
Refer page 76 for battery requirements
and additional battery handling proce- dures.
Batteries produce explosive gases.
Keep sparks, flames, and cigarettes away. To prevent the possibility of creating a spark near the battery, connect the charging cord first to the battery and then to the outboard motor; when disconnecting the charging cord remove it from the outboard first.
77
11. MAINTENANCE
The DC receptacle provides a
12 volt,
6 amp output for battery charging. The charging circuit is protected by a 15 amp fuse that is mounted inside the engine cover.
Be sure that the positive (Red) battery lead is connected to the (+) plug
Lubrication
Lubrication interval: After the first 20 hours, then every 100 hours.
(Refer to the maintenance schedule page 69.)
Apply marine anticorrosion grease to the following parts: l l
Reversing the battery leads will damage the charging system and/ or the battery.
When it is not in use, keep the DC receptacle dry and clean by covering it with the rubber cap provided.
The outboard motor’s 12 volt output is intended for battery charging only.
Electrical accessories should be con- nected to the battery as shown. (refer to
CLAMP SCREWS
SWIVEL CASE-1
78
ADJUSTING ROD
PROPqLLER SHAFT
11. MAINTENANCE
79
11. MAINTENANCE
Engine Fuel Filter
FUEiFILTER
The engine fuel filter is located under the engine cover between the fuel cou- pling and the fuel pump. Water or sediment accumulated in the fuel filter can cause loss of power or hard start- ing.
Check interval:
Every 100 hours (Refer to the
maintenance schedule page 70).
Change interval:
Every 400 hours (Refer to the maintenance schedule
80
B Gasoline is extremely flammable, and gaso- line vapor can explode, causing serious injury or death.
Do not smoke or allow flames or sparks in your working area. KEEP
OUT OF REACH OF CHILDREN.
Always work in a well-ventilated area.
Make sure that any fuel drained from the outboard motor is stored in an approved gasoline container. Be care- ful not to spill any fuel when replacing the filter. Spilled fuel or fuel vapor may ignite. If any fuel spilled, make sure the area is dry before starting the engine.
CONNECTER
FUEL HOSE
Check
1. Disconnect the fuel hose connector from the outboard motor.
2. Remove the engine cover.
11. MAINTENANCE
FUEL HOSES
FUEL.FILTER
3. Lift the fuel filter up from the engine under case.
FUEL H63E CLIPS
Change
1. Remove the fuel filter.
4. Check the fuel filter for water accu- mulation or sediment. If no water or sediment are found, reinstall the fuel filter properly.
Before removing the fuel filter, to prevent fuel leakage, place fuel hose clamps on the fuel hoses at each side of the fuel filter.
ARROW (Fuh Flow Direction)
2. Install the new fuel filter so the arrow on the fuel filter points toward the fuel pump.
Fuel flow will be reduced if the fuel filter is installed backward.
3. Connect the fuel hoses to the fuel filter securely with the hose clips.
Remove the fuel hose clamps used to close the fuel hoses.
81
11. MAINTENANCE
4. Securely connect the fuel hose connector to the outboard motor
(refer
33).
5. Prime the engine using the primer
for fuel leaks.
Repair any fuel leaks if necessary.
If loss of power or hard starting are found to be caused by excessive water or sediment accumulation in the fuel filter, inspect the fuel tank.
Clean the fuel tank and tank filter if necessary. It may be necessary to drain the fuel tank completely and refill with fresh gasoline.
Fuel Tank and Filter
Cleaning interval:
Every 200 hours (Refer to the
maintenance schedule page 70).
Inspect the condition of the fuel cap gasket, fuel hose, and the O-ring seals in the fuel hose connectors. Replace the fuel cap gasket, hose, or fuel con- nectors if they are cracked, damaged or leak fuel. Be sure the fuel hose is not kinked.
Fuel Tank Cleaning
1. Disconnect the fuel hose from the fuel tank. extremely flammable, and gaso- line vapor can explode, causing serious injury or death. Do not smoke or allow flames or sparks in your working area. KEEP
OUT OF REACH OF CHILDREN.
2. Empty the gasoline from the fuel tank into an approved gasoline con- tainer. Pour in a small quantity of fresh gasoline, and clean the tank thoroughly. Drain and dkpose of the gasoline properly.
82
FUEL TANK HOSE
CONNECTOR
Fuse Replacement
(Electric starter type)
11. MAINTENANCE
FUSE COVER
J
_ FUEL TANK
FILTER
Fuel Tank Filter
Cleaning/Replacement
1. Turn the fuel tank hose connector counterclockwise to remove the fuel tank filter.
2. Clean the fuel tank filter with non- flammable cleaner or solvent.
Replace the fuel tank filter if neces- sary.
3. After cleaning or replacement, rein- stall the fuel tank filter and fuel tank hose connector securely.
BLOWN FUSE
If the fuse is blown, running the engine will not charge the battery and the electric starter will not work.
FUSE RATING: 15A
Never use a fuse with a different rat- ing from that specified.
If the fuse is blown, check the cause, then replace the fuse with a spare fuse of the same rated capacity. Unless the cause is found, the fuse may blow again.
Replacemeht
1. Stop the engine.
2. Remove the engine cover.
3. Pull the blown fuse out of the clip.
4. Push a new 15A fuse into the clip.
A spare 15A fuse is located in the fuse holder. If the spare fuse is not avail- able, the motor will need to be started with the pull starter rope (refer to the
emergency start procedure page 42).
83
Il. MAINTENANCE
Propeller
PROPELLER
COTTER PIN (stainless)
-CASTLE NUT
LAIN WASHER
If the propeller is damaged, replace it as follows:
ARINE GREASE
THRUST WASHER
Removal:
Remove the cotter pin then remove the
14 mm castle nut, 15 mm plain washer, propeller and thrust washer.
COTTER PIN (stainless)
Installation:
Install the thrust washer with the grooved side toward the gear case, then install the new propeller in the reverse sequence of removal.
Hand tighten the castle nut until the 3 mm cotter pin can be installed. If necessary, tighten the castle nut just enough to align the hole with the groove in the nut.
Use a new genuine Honda cotter pin and bend the cotter pin ends as shown.
84
11. MAINTENANCE
Submerged
Motor
A submerged motor must be serviced immediately after it is recovered from the water in order to minimize corro- sion.
Immediately take the outboard motor to the closest authorized Honda Marine or
Honda Outboard Motor dealer or if you are far from a dealership, proceed as follows:
1. Remove the engine cover, and rinse motor with fresh water to remove salt water, sand, mud, etc.
B Gasoline is extremely flammable, and gaso- line vapor can explode, causing serious injury or death. D6 not smoke or allow flames or sparks in your working area. KEEP
OUT OF REACH OF CHILDREN.
DRAIN SCREW
2. Loosen the carburetor drain screws, drain the contents of the carburetors into an approved gasoline container, then tighten the drain screws.
3. Disengage the emergency stop switch clip from the emergency stop switch and remove the spark plugs.
4. Pull the recoil starter several times to remove the water from the cylinders. (Recoil starter type)
EMERGENCY STARTER ROPE l
Remove the flywheel cover follow- ing the emergency starting proce-
dure (refer to page 42) and remove
the water from the cylinders by pulling the emergency starter rope several times. (Electric starter type)
If the motor was running when it submerged, there may be mechani- cal damage, such as bent connecting rods. If the engine binds when rotated with the emergency starter rope or recoil starter, do not proceed or attempt to run the motor until it has been repaired.
85
11. MAINTENANCE
5. Change the engine oil (refer to page
6. Put a teaspoon of engine oil into each spark plug hole, then rotate the engine using the pull starter rope or recoil starter several times to lubri- cate the inside of the cylinders.
Reinstall the spark plugs.
m Running the outboard motor without suffkient cookg water will damage the water pump and overheat the engine.
7. Engage the emergency stop switch clip with the emergency stop switch and attempt to start the engine (be sure the water level is at least 2 inches above the ventilation plate). l
If the engine fails to start, l remove the spark plugs, clean and dry the electrodes, then reinstall the spark plugs and attempt to start the engine again.
If the engine starts, and no mechanical damage is evident, continue to run the engine for a l/2 hour or longer. l
If there was water in the engine crankcase, or the used engine oil showed signs of water contami- nation, then a second engine oil change should be performed after running the engine for a l/2 hour.
8. Take the outboard motor to your closest authorized Honda Marine or
Honda Outboard Motor dealer for inspection and service as soon as possible.
86
12. STORAGE
For longer service life of the outboard motor, have your outboard motor serviced by an authorized Honda
Marine or Honda Outboard Motor dealer before storage.
If you are unable to take the motor to
-your dealer, proceed as follows:
Draining the Carburetors
extremely flammable, and gaso- line vapor can explode, causing serious injury or death. Do not smoke or allow flames or sparks in your working area. KEEP OUT
OF REACH OF CHILDREN.
Be careful not to spill gasoline. Spilled gasoline or gasoline vapor may ignite.
If any gasoline is spilled, make sure the area is dry before storing or trans- porting the motor. Do not smoke or allow flames or sparks where gasoline is drained or stored.
DRAIN SCREW
1. Disconnect the fuel hose connector.
2. Pull the #3 carburetor drain hose outside of the motor pan.
3. Loosen the drain screw of the #3 carburetor and drain the carburetor.
Catch the draining gasoline in an approved gasoline container.
4. Drain the #l and #2 carburetors in the same manner using the #3 car- buretor drain hose.
#l CARBURETOR
DRAIN SCREW
#2 CARBURETOR
DRAIN SCREW
’ #3 CARBURETOR
DRAIN SCREW hAIN HOSE
5. After thoroughly draining the car- buretors, tighten the drain screws securely.
6. Reinstall the drain hose back on the
#3 carburetor.
87
12. STORAGE
Outboard Motor Position
Transport and store the motor either vertically or horizontally, as shown above. Store the outboard motor in a well-ventilated area free from direct sunlight and humidity.
Vertical transport or storage:
Attach the stem bracket to stand.
CASE PROTECTORS
Horizontal transport or storage:
Rest the motor on the case protectors.
[NOTICEI Improper transport or storage can damage the motor or cause oil leakage.
88
13. TROUBLESHOOTING
(1) Engine does not start.
l
Fuel
Fuel is not fed - to carburetor.
-
There is no gasoline in fuel tank.
Vent knob is not open or vent clogged.
Fuel filter is clogged.
Fuel line is kinked.
Fuel line is connected improperly.
Fuel pump is faulty. primer bulb is faulty.
Check valve in connector is faulty clogged. l
Electrical
Sparks across
Insufficient - Spark plug gap is small. sparkplug gap sparks
Weak starter motor rotation. (Electric starter
Normal - sparks type)
Recheck the fuel system. l
No sparks - across spark
Plug gap
- Spark plug is faulty.
-i!E
-
Contamination
Incorrect gap
Broken spark plug
Fulser coil is faulty.
Current leaks from high tension cord.
C.D.I. unit is faulty.
Exciter coil is faulty.
Ignition coil is faulty.
Wire harness is faulty.
Current leaks from engine stop switch cord.
Stop switch does not return satisfactorily.
Spark plug is improperly installed.
1 installed.
Shift lever is not in N position.
89
13. TROUBLESHOOTING
(2) Engine starts but immediately stops. Engine some times stops while cruising.
Fuel l l
No gasoline in fuel tank.
There is gasoline - in fuel tank. t
Water is mixed with gasoline.
Vent knob is not open or vent is clogged.
-
-
-
-
-
- Fuel filter is clogged. k Air screw IS open too
L wide.
Idling speed is too slow.
Carburetor vent is clogged.
Fuel pump is faulty.
Air in fuel pump.
Air enters through fuel line connector.
Au enters through primer bulb.
Engine overheats l
Normal sparking
Water intake screens are clogged.
Spark plug is not of speci- fied rating.
Water pump is faulty.
Thermostat is clogged.
Thermostat is faulty.
Water tube or passage is clogged.
Exhaust gas is entering cooling system.
90
14. SPECIFICATIONS
Ignition system
Lubrication system
Specified oil
C.D.1
Trochoid pump pressure lubrication
Engine: API standard
(SC, SH) SAE IO W-30
Gear case: API standard (GL-4/5)
SAE 90 outboard motor gear oil
91
14. SPECIFICATIONS
Specifications are subject to change without notice.
92
14. SPECIFICATIONS
Starter system
Ignition system
Lubrication system
Specified oil
Recoil starter
C.D.I.
Trochoid pump pressure lubrication
Electric starter
Engine: API standard
(Fuel Efficient SC, SH) SAE 5W-30
Gear case: API standard (CL-4/5)
SAE 90 outboard motor gear oil
93
14. SPECIFICATIONS
Specifications are subject to change without notice.
94
Owner Satisfaction
Your satisfaction and good will are important to your dealer and to us. All
Honda warranty details are explained in the Distributor’s Limited Warranty.
Normally, any problems concerning the product will be handled by your dealer’s service department. If you have a warranty problem that has not been handled to your satisfaction, we suggest you take the following action: l l
Discuss your problem with a mem- ber of dealership management.
Often complaints can be quickly resolved at that level. If the prob- lem has already been reviewed with the Service Manager, contact the owner of the dealership or the
General Manager.
In order to contact the Honda
Marine Customer Service Office, you can write to:
American Honda Motor Co., Inc.
Honda Power Equipment Division
Customer Service Office
4475 River Green Parkway
Dulutb, GA 30 136-2565
Or telephone: (404) 497-6400
We will need the following information in order to assist you:
- Your name, address, and telephone number
- Product model and serial number
- Date of purchase
- Dealer name and address
- Nature of the problem
Your purchase of a Honda product is greatly appreciated by both your dealer and American Honda Motor Co., Inc.
We want to assist you in every way possible to assure your complete satisfaction with your purchase.
15. WARRANTY SERVICE
95
Current customer service contact information:
Your owner's manual was written to cover most of the questions you might ask about your Honda. Any questions not answered in the owner's manual can be answered by your Honda dealer. If your dealer doesn't have an immediate answer, they should be able to get it for you.
If you have a difference of opinion with your dealer, please remember that each dealership is independently owned and operated. That's why it's important to work to resolve any differences at the dealership level. If the service personnel are unable to assist you, please discuss your concerns with the dealer management such as the
Service Manager or the dealership's owner.
If you need to contact American Honda regarding your experiences with your Honda product or with your dealer, please send your comments to the following address:
American Honda Motor Co., Inc.
Marine Division
Customer Relations Office
4900 Marconi Drive
Alpharetta, GA 30005-8847
Or telephone: (770) 497-6400 M-F, 8:30 am - 7:00 pm EST
When you write or call, please provide the following information:
• Your name, address and telephone number (complete with area code)
• Model and complete serial number
• Date of purchase
• Name and location of the selling dealer
• Name and location of the servicing dealer (if different)
• A detailed description of your concerns
16. WIRING DIAGRAM
TILLER HANDLE TYPE (with recoil starter)
96
I
I
I
I
I
I
I
TILLER HANDLE
-- ------_
: - -iFjOA outboard
TYPE (with electric starter)
--
1
BF25A outboard
I
I
I
C---------------J
16. WIRING DIAGRAM
97
16. WIRING DIAGRAM
REMOTE CONTROL TYPE
BF25A outboard
*
-
98
Anode Metal . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 21
Battery (not included) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 76
Break-in Procedure . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 48
Choke Knob . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 11
Choke/Fast Idle Lever . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 18
CLEANING AND FLUSHING . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 65
COMPONENT IDENTIFICATION
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 8
CONTROLS & INSTRUMENTS (common) . . . . . . . . . . . . . . . . . . . 20
CONTROLS
TILLER HANDLE TYPE . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1 1
REMOTE CONTROL TYPE . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 15
Cooling System Indicator . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2 1
Cruising
TILLER HANDLE TYPE . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 50
REMOTE CONTROL TYPE . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 52
Emergency Starting . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 42
Emergency Stop Switch Lanyard
TILLER HANDLE TYPE . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 13
REMOTE CONTROL TYPE . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 17
Engine Cover Removal/Installation . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 26
Engine Fuel filter . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 80
Engine
Oil
Level check . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 27
17. INDEX
Pressure and Overheat Warning System ................ 57
Replacement ........................................................... 7 1
Over-Rev Limiter ......................................................... 59
Start Button ..................................................................
1 1
Stop Switch ..................................................................
13
Fuel
Cap/Gauge/Vent Knob ................................................. 23
Level.. ............................................................................ .28
Line Connection ........................................................... 33
Tank and Filter ............................................................. 82
Tank and Vent Knob ..................................................... .33
Fuse Replacement .............................................................. 83
Fuel Recommedations ....................................................... 29
Gear Oil .............................................................................
73
Gear Shifting
TILLER HANDLE TYPE ........................................... 49
REMOTE CONTROL TYPE ...................................... 5 1
High Altitude Operation .................................................... 60
Ignition Switch.. .................................................................
16
Lubrication ......................................................................... 78
MAINTENANCE .............................................................. 67
SCHEDULE ................................................................. 69
Manual
Choke Knob .................................................................
18
MOTOR PROTECTION SYSTEM .................................. 57
Neutral Release Lever.. ...................................................... 16
99
17. INDEX
Oil Pressure Indicator Light.. ............................................. 14
Oil Pressure Indicator Light/Buzzer .................................. 19
Other Checks ..................................................................... 32
Over-Rev Limiter.. ............................................................. 59
Overheat Indicator Light/Buzzer ....................................... 19
Oxygenated Fuels .............................................................. 30
PRE-OPERATION CHECKS ........................................... 27
Propeller and Cotter Pin.. ................................................... 3 1
Remote Control
Friction Adjustment ..................................................... 32
Lever ............................................................................ 15
SAFETY .............................................................................. 6
INFORMATION ............................................................ 7
LABELS.. .......................................................................
6
Spark Plugs ........................................................................ 74
SPECIFICATIONS.. .......................................................... 9 1
STARTING THE ENGINE
REMOTE CONTROL TYPE ...................................... 39
TILLER HANDLE TYPE ........................................... 35
Steering (tiller handle) ....................................................... 50
Friction Adjustment (common) .................................... 3 1
Stern bracket
PRE-OPERATION CHECKS.. .................................... 32
STOPPING THE ENGINE
REMOTE CONTROL TYPE ...................................... 63
TILLER HANDLE TYPE ........................................... 6 I
STORAGE .........................................................................
87
Submerged Motor ..............................................................
85
Throttle
Friction Knob. ..............................................................
12
Grip ................................................................................ 12
Opening Indicator ........................................................
12
Tilt Lever ...........................................................................
20
Tool Kit.. ............ ................................................................
32
Tool Kit and Spare Parts .................................................... 68
Transom Angle Adjusting Rod .......................................... 22
TRANSPORTING. ............................................................
64
Trim Tab ............................................................................ 20
Trim Tab Adjustment ......................................................... 56
TROUBLESHOOTING .................................................... 89
Starting Problems.. ....................................................... 47
WARRANTY SERVICE.. ................................................. 95
Water Intakes ............ ......................................................... 21
WIRING DIAGRAM ......................................................... .96
100
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