Yamaha FM Gauge
FUEL MANAGEMENT GAUGE
(Input for MPG from GPS or Multifunction
Speedometer)
The fuel management gauge can receive data
from either a GPS or the multifunction speedome-
ter. It cannot be hooked to both. This option has
been available since 1998. The same signal lead
part 46 Y 5-87122-50-00 18 used for either applica-
tion. If vou are using mput from the multifunction
speedometer, no modification 15 required to the
lead. If vou are using the GPS for the input signal,
modification will be required which 15 explained
below.
Indication Gphigallon)
3% | 88:9 199] Speedometer
+2% 246:8:26] GPS
ih
e 398 ars)
0%
1%
2%
3%
FREER
4%
Modification Procedure
1. Cut off three prong connector.
Fd
Remove the black plug and install it on the
speedometer to plug the hole in the back of
the gauge.
3. The white wire 1s the signal lead which needs
to be connected to the NMEA 0183 output
lead of the GPS unit.
NOTE: All GPS units utilize different harnesses,
terminals and color codes on the output signal.
Always connect the white wire to whatever the
GPS manufacturer recommends. Do Nor Use Red
and Black wires.
Try and keep the wire length to a minimum. Long
lengths could affect the operation of the system.
If the cable length needs extending, use coaxial
cable.
The Yamaha gauge is
grounded by black
3-PRONG
CONNECTOR
Signal Lead for Speedo
6Y5-87122-50-00
WHITE
BLACK PLUG
3 [|
RED Modified Signal Lead for GPS
Ne
а
BLACK
Fuel Management Gauge V4-V6 (2-Stroke) and F115, F150, F200, F225 (4-Stroke)
FUEL MANAGEMENT GAUGE ASSEMBLY SYSTEM
Part Number Description Remarks
6Y 5-WOORE-53-00 Single F/M Kit Single Engine
6Y 5-W0088-64-00 Dual F/M Kit Dual Engine
Parts Identification
Part Number Description Remarks
6Y 5-8350F-00-00%
Meter Assembly
|
6Y 5-83553-F 1-00
Extension, Wire Lead |
6Y 5-85752-01-00
Fuel Sender
2 (1 in Single Kit)
703-82531-00-00
Extension, Wire Lead |
904 65-13H39-00
Clamp
4 (2 in Single Kit)
G01 58-06002-00
screw
6Y 3-2819K-F0-00
Installation Manual
6Y 5-82117-00-00
Wire Lead
4 (2 in Single Kit)
|
|
Kit Contents:
* EM. Meter to Sender Harness included with fuel management kits 15 -F1 8m long. For replacement -
FO 5m must be used with extensions. (F0 and F1 are in Parts stock.)
Optional Parts for Water Detecting Fuel Filter
Part Number
Description
6X 11-8253 1-00-00
Extension, Wire Lead (fuel
flow sensor, 9.8 ft. [3M])
MAR-24560-00-00
Fuel" Water Separator, complete
assembly w/sensor
MAR-24564-00-00
Filter wbowl and sensor
MAR-24563-00-00
Filter Only
MAR-10171-30-00
Sensor Only
Dual Engine Kit:
гов
=
Installation
Gauge Location
Pick a location in the dash for the fuel manage-
ment gauge. Make sure the gauge will not be
more than 10 inches from the speedometer 1f the
speedometer will be used for MPC calculation. A
sample gauge layout 15 illustrated.
In order for the miles-per-gallon function of this
system to operate, 1t 15 necessary to connect the 4-
pin round connector of the management gauge to
the receiving connector of the new style multi-
function speedometer or GPS. Both gauges must
be connected to the same power source. The max-
imum reach of these connector harnesses com-
bined is 10 inches when speedo 1s used. No exten-
sions should be used, or the gauge can malfunc-
tion because of electronic mterference from
radios or other devices.
Gauge Installation
Install the instruments in the dashboard. If no
dashboardis available, install them in a place pro-
tected from water spray.
AWARNING
Disconnect the battery leads before installing
or disconnecting electrical components.
Otherwise, vou could be shocked or an electri-
cal short could cause a fire.
For each gauge:
l. Cut a 3-3/8 inch diameter hole in the dash
panel. A paper pattern 15 printed on this page.
=
Connect the wiring harness to the meter
through the hole.
3 Attach the fting plate to the meter, then
evenly tighten the mounting nuts.
METER
MOUNTING NUT
ps
HE
FITTING PLATE
Sensor Placement & Installation
1. Locate the sensor after the filter and before
the primer bulb (if equipped) or engine.
FUEL FLOW SENSOR LOCATION
FILTER
ON/OFF FUEL VALVE
OR ANTISYPHON VALVE
PRIMER BULE
FLOW SENSOR
2. Place the sensor with the “UP” mark facing
upward.
NOTE: Make sure the sensor 15 mounted so the
fuel flows in the right direction.
HOSE NIPPLE 3/8" AND LARGER
| SEAL THREADS WITH
TEFLON TAFE OR
UD) 3 EQUIVALENT
1/4” PIPE THREAD
3. Use a fuel joint that has a 3/8 inch diameter or
larger hose nipple.
4. Secure all fuel hose ends with a good quality
stainless hose clamp. These are not supphed.
Rigging Notes:
A. Install the fuel flow sensor between the
engine and the fuel filter (refer to the 1llus-
tration).
B. On twin-engine installations, make sure
the multifunction speedometer, fuel man-
agement gauge, and GPS are connected to
the same key on power source.
C. If a fuel primer 15 used, mstall 1t between
the fuel sensor and the engine. All connec-
tions should be tight and all hnes free of
air. Any air leakage in the fuel tank pickup
or sensor lines and connections will cause
incorrect readings.
D. If the fuel line is used for a kicker supply,
make sure to install a shut-off valve in line
or sensor ventilation could occur.
ASSEMBLY INSTRUCTIONS
Fuel System Installation
I. Ensure there 1s an anti-siphon or manual shut
off valve located on the fuel tank pickup tube
in accordance with ABYC specifications.
FUEL MANAGEMENT
FLOW SENSOR LOCATION
PRIMER BULE
FILTER FLOW SENSOR
2. Connect 3/8" USCG approved hose for gaso-
line from the fuel tank pickup to the inlet side
of the fuel water separator. Use only a stain-
less steel mechanical-type clamp per ABYC
specifications.
HOSE NIPPLE 38" AND LARGER
1/4" PIPE THREAD
3. NOTE: Ensure all threaded pipe fittings are
sealed with a sealer approved for gasoline on
all pipe threads. Only apply sealer to the
external pipe threads of fittings. Any sealer in
the inner bore of a fuel fitting could result in
fuel system contamination and engine failure.
FLOW
— ENGINE
OPTIONAL — Connect the fuel hose from the
outlet side of the fuel water separator to the inlet
side of the fuel management sender. Arrows on
the mlet and outlet ports of the sender indicate the
direction of fuel flow. Install the sender with the
side arrow up (see illustration below).
OUTLET PORT
INLET PORT o
a ny
=
Eu u
arm
e
4. Connect the fuel hose from the outlet side of
the optional fuel management sender or from
the outlet of the fuel water separator to the
inlet side of the primer bulb. The arrow on
the side of the primer bulb indicates the
direction of flow, and during proper imstalla-
tion it should be in the vertical position. (see
photo below).
ARROW
Le ч
DETECTION
SENDER |
hi
5. Connect the engine supplied fuel hose to the
outlet sade of the primer bulb.
Ensure that all connections in the fuel system are
clamped and properly secured.
Check that all hose routing 15 free of kinks and
sharp bends, which could reduce fuel flow to the
engine and cause engine failure.
During break-in of the engine, perform the fuel
vacuum test to insure proper fuel flow to the
engine.
Twin Engine Fuel Management Gauge
The fuel management gauge operates only on one
engine of a twin engine installation.
No wiring is connected to the second ignition
source. The fuel management gauge and
speedometer must be connected to one common
power source. The power source must be supplied
by one ignition switch.
—Y у— — — SPEEDOMETER |
(2) YB-37103-8 SLEEVE *
(2) YB-37103-3 BULLET PLUG *
A Crea
(2) YE=-37103-4 BULLET SOCKET *
(2) Y B-37103-9 BULLET SOCKET *
INSULATION SLEEVE
TO PORT MAIN SWITCH
—
TO STARKBOARD MAIN SWITCH
Y pre
NOTE: The following part numbers are
shown on page 4-39 in the "1999 Qutboard
Rigging Guide.” They can be ordered from
K&L at 1-(800) 708-3184
Wiring
1.
The green and green/white wires on the fuel
management gauge are for engine synchro-
nization and are connected to the tachome-
ter(s). On single engine installations, the
ereen/white wire will not be used.
The black and white/red wires on the flow
sensor hamess are for the optional fuel'water
separator warning.
Rigging Notes:
Refer to the wiring diagram on the following page
for proper wire connections.
1.
Connect the 6-pin extension hamess to the
matching connector on the back of the
Management Gauge.
Now connect the following wires:
К - (Кей)
12 volt POSITIVE Battery source
(= (Green)
To the G (Green) wire from the
Multifunction “STBD™ Tachometer
GW = (Green/White)
To the G (Green) wire from the PORT
Multifunction Tachometer (on twin-engine
installations)
B = (Black)
Connect both black wires to a good ground
L = (Blue)
Connect to the (Blue) wire from the multi-
function speedometer hight circuit
Y = (Yellow)
Connect this wire and the (Yellow) wire to
the multifunction speedometer to the same
KEY ON POWER source.
NOTE: Be sure that both the fuel management
cauge and speedometer yellow wires are connect-
ed to the same power source and are activated at
the same time.
3.
Connect the 3-wire connector (GREEN tape
lead) to the starboard fuel flow sensor. In the
case of twin-engine applications, the RED
taped lead connects to the port engine fuel
flow sensor.
NOTE: Make sure all gauges are
connected to the same KEY ON
power source.
* Use these connectors only on
twin-engine installations.
** Optional fuel/water separator
filter and water sensor (Part
Number: MAR-24560-00-00).
Digital Fuel Management Gauge
Notes on Fuel Consumption:
ta
Fuel consumption will vary greatly with boat
design, weight, propeller used, engine trim
angle, sea conditions (including wind), and
throttle position. Fuel consumption will also
vary slightly with the type of water (salt,
fresh, and contaminate levels), air tempera-
ture and humidity, cleanliness of the boat bot-
tom, engine mounting height, skill of the
operator, and mdividual gasoline formulation
(winter or summer fuel and amount of addi-
tives).
The Yamaha Digital Speedometer and Fuel
Management Meter calculates speed, miles
traveled, and fuel economy by water move-
ment at the stern of the boat. This distance
can vary greatly from the actual distance trav-
eled because of water currents, sea swells,
and the condition of the water speed sensor
(partially plugged or damaged).
Individual engines mav vary slichtly in
their fuel consumption because of manu-
facturing variations. These variations can
be even greater if the engines are of differ-
ent vear models. In addition, variations in
propellers, even of the same basic dimen-
sions of the same design, can cause a slight
variation in fuel consumption.
Fuel Management Gauge Operation
Instructions
The Yamaha Fuel Management Gauge System
consists of a fuel flow meter, fuel consumption
meter, fuel economy meter, twin engine speed
synchronizer for dual installations, and an option-
al water separator warning indicator that detects
water in the fuel filter.
1, FUEL FLOW METER
7 FUEL CONSUMPTION;
FUEL ECONOMY METERS
TWIN-ENGINE SPEED SYNCHRONIZER
3%. WATER SEPARATOR WARNING INDICATOR
(OPERATES ONLY IF SENSOR 15 INSTALLED
Meter Self-Check Function
After thé main switch 15 first turned on, all por-
tions of the meter come on a check. After a few
seconds, the meter will change to normal opera-
tion. Watch the meter when tuming on the main
switch to make sure all segments are activated.
FUEL MANAGEMENT
8888:
Ne BEBE":
Poy VV
FV" TTL ECON SYNC
Fuel Flow Meter
The meter displays fuel flow mm gallons per hour
or liters per hour.
If two engines are installed on the boat, the meter
will display total fuel flow of both port and star-
board engines. It also displays “PS” indication at
the same time.
By pressing the “Set” button, the meter will dis-
play fuel low for the Starboard engine and indi-
cate “8.7
By pressing the “Set” button “agam”, the meter
will display the fuel flow for the Port engine and
indicate this with a “P” showing.
By pressing the “Set” button again, the meter will
return to the total fuel flow indication (“PS”).
NOTE: The meter displays gallon/hour and
liter/hour depending upon operator preference.
Select the desired unit of measurement by setting
the selector switch on the back of the meter dur-
ing installation.
The fuel consumption meter and fuel economy
meter will display the same unit of measurement.
FUEL FLOW METER
Fuel Consumption Meter
Push and release the “Mode” button until the indi-
cator on the face of the meter points to total
(“TTL”). Thé meter will display the total amount
of fuel consumed after the meter was last reset.
To reset the total fuel consumption to “07%, press
the “Set” and “Mode” buttons together.
FUEL CONSUMPTION METER
DA
e/a
PS © Yum
§ LP
Y Vv Vv
TTL ECON SYNC
Y
Fuel Economy
Push and release the “Mode” button until the indi-
cator on the face of the meter points to “ECON.”
The meter will display the distance per liter or
callon for the operator's reference when cruising.
NOTE: If dual-engines are installed on the boat,
the meter will display only the total fuel economy
of both engines.
gpl
E |
PS BESO
J VV
TTL ECON SYNC
Twin-engine Speed Synchronization
Push and release the “Mode” button until the mdi-
cator on the face of the gauge points to “SYNC.”
The meter will display the difference of engine
speed (RPM) between the Port and Starboard
engines for reference for synchronizing the two
engines’ speeds.
SYNC
TTL ECON SYNC
-
=
FUEL MANAGEMENT
Un 2
LC |
- |
1
|
>|
339 Ma
1. Port side engine speed 15 higher.
Fd
Port side engine speed 15 slightly higher.
3. Engine speed 15 synchronized
between Port and Starboard engines.
evenly
4. Starboard engme speed 1s slightly higher.
5. Starboard engme speed 1s higher.
NOTE: If the two engine speeds are not synchro-
nized while cruising, they can be synchronized by
adjusting the trim angle or throttle position.
Water-in-Fuel Warning Indication
NOTE: This indicator operates only when an
optional water sensor has been installed.
If the water which has been separated from the
fuel in the water trap exceeds a specific volume,
the indicator will blink to signal the water should
be drained or the filter changed.
BEE:
№ Wow
TTL ECON SYNC
PS
``.
dl
Fuel Management Meter Setup
1. Remove the cap on the back of the gauge D.
2. Selector switch @ (for fuel measurement).
The meter displays gallons’hour and
literhour depending on operator preference.
Select the desired unit of measurement by
setting the selector switch on the back of the
meter.
NOTE: The fuel consumption meter and fuel
economy meter will indicate the same unit of
measurement.
The selector switch 3) controls input supply from
the seperator or GPS.
Calibration
Fuel Management Meter Calibration
BEE
[288
“(878
o 94
-1% FEL
PC
Remove the cap (D to access the switches. The
fuel management switch (2) can be set to either
gallons per hour (gph) or liters per hour ( 1/h).
NOTE: The fuel consumption meter and fuel
economy meter will always indicate the same unit
of measurement.
3. Selector switches @) (for fuel flow calibra-
tion).
If the amount of fuel consumed differs from
that indicated on the meter, it can be calibrat-
ed to the correct amount.
If the amount of fuel used differs from what
15 indicated on the meter, calibrate 1t to the
correct amount by:
1. Fill the tank and operate the boat. Use about
75% of the fuel in the tank.
2. Refill the tank and record the amount used.
3. Compare the actual amount of fuel used with
the gauge reading.
4. If there 1s a difference, use the formula below
to figure the difference as a percentage. Refer
to the illustration and adjust the switches to
calibrate the gauges.
Example:
Actual Amount of Fuel Used: 50 gallons
Fuel Management Gauge Indicates 51 gallons
Difference = +1 gallon
1.0 gallon / 50 gallons = 0.02 or 2%
Therefore, 1 gallon 1s 2% of the actual 50 gallons
used. To calibrate the gauge, set the switches for -
-2% (because the gauge was showing more fuel
than was actually used). If the gauge was showing
less fuel than was used, the switches would then
be set for a + percentage.
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