07/06/01 12:38:33 32Z4D602_006
SERVICING YOUR ENGINE
THE IMPORTANCE OF MAINTENANCE
Good maintenance is essential for safe, economical and troublefree operation. It will also help reduce pollution.
Improper maintenance, or failure to correct a problem before operation, can cause a malfunction in which you can be seriously hurt or killed.
Always follow the inspection and maintenance recommendations and schedules in this owner’s manual.
SAFETY PRECAUTIONS
Make sure the engine is off before you begin any maintenance or repairs. This will eliminate several potential hazards:
−
Carbon monoxide poisoning from engine exhaust.
Operate outside away from open windows or doors.
−
Burns from hot parts.
Let the engine and exhaust system cool before touching.
−
Injury from moving parts.
Do not run the engine unless instructed to do so.
Read the instructions before you begin, and make sure you have the tools and skills required.
To reduce the possibility of fire or explosion, be careful when working around gasoline. Use only a non-flammable solvent, not gasoline, to clean parts. Keep cigarettes, sparks and flames away from all fuel related parts.
To help you properly care for your engine, the following pages include a maintenance schedule, routine inspection procedures, and simple maintenance procedures using basic hand tools. Other service tasks that are more difficult, or require special tools, are best handled by professionals and are normally performed by a
Honda technician or other qualified mechanic.
Remember that an authorized Honda servicing dealer knows your engine best and is fully equipped to maintain and repair it.
To ensure the best quality and reliability, use only new genuine
Honda parts or their equivalents for repair and replacement.
MAINTENANCE SCHEDULE
The maintenance schedule applies to normal operating conditions.
If you operate your engine under severe conditions, such as sustained high-load or high-temperature operation, or use in unusually wet or dusty conditions, consult your servicing dealer for recommendations applicable to your individual needs and use.
Maintenance, replacement, or repair of the emission control devices and systems may be performed by any engine repair establishment or individual, using parts that are ‘‘certified’’ to
EPA standards.
MAINTENANCE SAFETY
Some of the most important safety precautions follow. However, we cannot warn you of every conceivable hazard that can arise in performing maintenance. Only you can decide whether or not you should perform a given task.
REGULAR SERVICE PERIOD (1)
Perform at every indicated month or operating hour interval, whichever comes first.
ITEM
Engine oil Check level
Air cleaner
Spark plug
Change
Check
Clean
Check-adjust
Replace
Clean Spark arrester
(applicable types)
Fuel tank and filter
Idle speed
Valve clearance
Combustion chamber
Fuel tubes
Clean
Check-adjust
Check-adjust
Clean
Check
＊ : See shop manual.
Failure to properly follow maintenance instructions and precautions can cause you to be seriously hurt or killed.
(1) proper maintenance intervals.
Each use
First Every Every month or
3 6 months months
Every Every year or
2years or
10 hrs.
or
25 hrs.
or
50 hrs.
100 hrs.
300 hrs.
Refer to page
8
(3)
9
(2)
9
(4)
(4)
(4)
After every 300 hrs. (4)
Every 2 years (Replace if necessary) (4)
＊
＊
＊
＊
＊
For commercial use, log hours of operation to determine
10
Always follow the procedures and precautions in this owner’s manual.
(2) Service more frequently when used in dusty areas.
(3) Change engine oil every 25 hours when used under heavy load or in high ambient temperatures.
(4) These items should be serviced by your servicing dealer, unless you have the proper tools and are mechanically proficient. Refer to the Honda shop manual for service procedures.
Failure to follow this maintenance schedule could result in nonwarrantable failures.
6
ENGLISH
07/06/01 12:38:55 32Z4D602_007
REFUELING
Recommended Fuel
Unleaded gasoline
U.S.
Except U.S.
Pump octane rating 86 or higher
Research octane rating 91 or higher
Pump octane rating 86 or higher
3.
Refuel carefully to avoid spilling fuel. Do not fill the fuel tank completely. It may be necessary to lower the fuel level depending on operating conditions. After refueling, tighten the fuel filler cap securely.
Keep gasoline away from appliance pilot lights, barbecues, electric appliances, power tools, etc.
This engine is certified to operate on unleaded gasoline with a pump octane rating of 86 or higher (a research octane rating of 91 or higher).
Refuel in a well-ventilated area with the engine stopped. If the engine has been running, allow it to cool first. Never refuel the engine inside a building where gasoline fumes may reach flames or sparks.
You may use regular unleaded gasoline containing no more than
10% Ethanol (E10) or 5% Methanol by volume. In addition,
Methanol must contain cosolvents and corrosion inhibitors. Use of fuels with content of Ethanol or Methanol greater than shown above may cause starting and/or performance problems. It may also damage metal, rubber, and plastic parts of the fuel system.
Engine damage or performance problems that result from using a fuel with percentages of Ethanol or Methanol greater than shown above are not covered under warranty.
Spilled fuel is not only a fire hazard, it causes environmental damage. Wipe up spills immediately.
ENGINE OIL
Oil is a major factor affecting performance and service life. Use
4-stroke automotive detergent oil.
Recommended Oil
Use 4-stroke motor oil that meets or exceeds the requirements for
API service category SJ or later (or equivalent). Always check the
API service label on the oil container to be sure it includes the letters SJ or later (or equivalent).
Gasoline is highly flammable and explosive, and you can be burned or seriously injured when refueling.
Stop engine and keep heat, sparks, and flame away.
Refuel only outdoors.
Wipe up spills immediately.
Fuel can damage paint and some types of plastic. Be careful not to spill fuel when filling your fuel tank. Damage caused by spilled fuel is not covered under the Distributor’s Limited Warranty.
Never use stale or contaminated gasoline or oil/gasoline mixture.
Avoid getting dirt or water in the fuel tank.
Move at least 1 meter (3 feet) away from the fueling source and site before starting the engine.
1.
With the engine stopped and on a level surface, remove the fuel filler cap and check the fuel level. Refill the tank if the fuel level is low.
AMBIENT TEMPERATURE
SAE 10W-30 is recommended for general use. Other viscosities shown in the chart may be used when the average temperature in your area is within the indicated range.
2.
Add fuel to the bottom of the fuel level mark of the fuel tank. Do not overfill. Wipe up spilled fuel before starting the engine.
FUEL FILLER CAP
FUEL LEVEL MARK
MAXIMUM FUEL
LEVEL
ENGLISH
7
07/06/01 12:39:14 32Z4D602_008
Oil Level Check
Check the engine oil level with the engine stopped and in a level position.
1.
Remove the oil filler cap/dipstick and wipe it clean.
2.
Insert the oil filler cap/dipstick into the oil filler neck as shown, but do not screw it in, then remove it to check the oil level.
3.
If the oil level is near or below the lower limit mark on the
dipstick, fill with the recommended oil (see page 7 ) to the upper
limit mark.
3.
With the engine in a level position, fill to the upper limit mark on
the dipstick with the recommended oil (see page 7 ).
OIL FILLER CAP/DIPSTICK
UPPER LIMIT
OIL FILLER CAP/DIPSTICK
LOWER LIMIT
UPPER LIMIT
Running the engine with a low oil level can cause engine damage. This type of damage is not covered by the Distributor’s
Limited Warranty.
4.
Reinstall the oil filler cap/dipstick and tighten securely.
LOWER LIMIT
4.
Reinstall the oil filler cap/dipstick and tighten securely.
Running the engine with a low oil level can cause engine damage. This type of damage is not covered by the Distributor’s
Limited Warranty.
Oil Change
Drain the used oil when the engine is warm. Warm oil drains quickly and completely.
1.
Place a suitable container below the engine to catch the used oil, then remove the oil filler cap/dipstick, oil drain plug and washer.
2.
Allow the used oil to drain completely, then reinstall the oil drain plug and new washer, and tighten the oil drain plug securely.
Please dispose of used motor oil in a manner that is compatible with the environment. We suggest you take used oil in a sealed container to your local recycling center or service station for reclamation. Do not throw it in the trash, pour it on the ground, or pour it down a drain.
OIL FILLER CAP/DIPSTICK
DRAIN PLUG
8
SEALING WASHER
ENGLISH
07/06/01 12:39:42 32Z4D602_009
AIR CLEANER SPARK PLUG
A dirty air cleaner will restrict air flow to the carburetor, reducing engine performance. If you operate the engine in very dusty areas, clean the air filter more often than specified in the MAINTENANCE
SCHEDULE.
Recommended Spark Plugs:
U16FSR-UB (DENSO)
The recommended spark plug has the correct heat range for normal engine operating temperatures.
Operating the engine without an air filter, or with a damaged air filter, will allow dirt to enter the engine, causing rapid engine wear.
This type of damage is not covered by the Distributor’s Limited
Warranty.
An incorrect spark plug can cause engine damage.
For good performance, the spark plug must be properly gapped and free of deposits.
Inspection
1.
Disconnect the spark plug cap, and remove any dirt from around the spark plug area.
Press the upper latch tab on the top of the air cleaner cover, and remove the cover. Check the filter element to be sure it is clean and in good condition.
2.
Remove the spark plug with a 5/8-inch spark plug wrench.
SPARK PLUG CAP
If the filter element is dirty, clean it as described on this page.
Replace the filter element if it is damaged.
Reinstall the filter element and air cleaner cover securely.
Cleaning
1.
Clean the filter element in warm soapy water, rinse, and allow to dry thoroughly. Or clean in non-flammable solvent and allow to dry.
2.
Dip the filter element in clean engine oil, then squeeze out all excess oil. The engine will smoke when started if too much oil is left in the foam.
SPARK PLUG WRENCH
3.
Wipe dirt from the air cleaner body and cover, using a moist rag.
Be careful to prevent dirt from entering the carburetor.
3.
Inspect the spark plug.
Replace it if damaged or badly fouled, if the sealing washer is in poor condition, or if the electrode is worn.
SIDE ELECTRODE
0.60
−
(0.024
0.70 mm
−
0.028 in)
AIR CLEANER BODY
FILTER ELEMENT
4.
Measure the spark plug electrode gap with a wiretype feeler gauge. Correct the gap, if necessary, by carefully bending the side electrode.
The gap should be:
0.60
− 0.70 mm (0.024
− 0.028 in)
5.
Install the spark plug carefully, by hand, to avoid crossthreading.
SEALING
WASHER
6.
After the spark plug is seated, tighten with a 5/8-inch spark plug wrench to compress the sealing washer.
LOWER TABS
UPPER TABS
AIR CLEANER COVER
7.
When installing a new spark plug, tighten 1/2 turn after the spark plug seats to compress the washer.
8.
When reinstalling the original spark plug, tighten 1/8 − 1/4 turn after the spark plug seats to compress the washer.
A loose spark plug can overheat and damage the engine.
Overtightening the spark plug can damage the threads in the cylinder head.
9.
Attach the spark plug cap to the spark plug.
ENGLISH
9
