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11
CHECKING THE OIL LEVEL
The importance of checking and maintaining the proper oil level
in the crankcase cannot be overemphasized. Check oil before
each use:
1. Stop the engine and allow oil to drain into the crankcase.
2. Place the engine on a level surface (Fig. 21).
3. Raise the rear of the unit 3.5 inches to get a proper oil level
reading (Fig. 21).
4. Clean the area around the dipstick before removing it. Keep
dirt, grass clippings, and other debris out of the engine.
5. Remove the oil fill plug.
6. Look into the oil fill hole (use a flashlight if needed). The oil
should be just touching the innermost thread (Fig. 22).
7. If the oil level is not touching the innermost thread on the
oil fill hole, add a small amount of oil to the oil fill hole and
recheck (Fig. 22). Repeat this procedure until the oil level
reaches the innermost thread on the oil fill hole.
NOTE: Do not overfill the unit.
NOTE: Make sure the O-ring is in place on the oil fill plug when
checking and changing the oil (Fig. 23).
Oil Fill Plug
Oil Fill Hole
O-Ring
Max Oil Fill Line
Fig. 23
Fig. 22
WARNING: To prevent serious injury, never
perform maintenance or repairs with unit running.
Always service and repair a cool unit. Disconnect the
spark plug wire to ensure that the unit cannot start.
FREQUENCY MAINTENANCE REQUIRED SEE
Before starting engine
Fill fuel tank with fresh fuel
Check oil
p. 7
p. 11
Every 10 hours Clean and re-oil air filter p. 12
1st change at 10 hours
2nd change at 25 hours
Every 25 hours after
Change oil
Change oil
Clean spark arrestor
p. 11
p. 11
p. 14
10 hours on new engine
Every 25 hours
Every 25 hours
Check rocker arm to valve clearance and adjust
Check rocker arm to valve clearance and adjust
Check spark plug condition and gap
p. 13
p. 13
p. 14
MAINTENANCE AND REPAIR INSTRUCTIONS
MAINTENANCE SCHEDULE
Perform these required maintenance procedures at the
frequency stated in the table. These procedures should also
be a part of any seasonal tune-up.
NOTE: Some maintenance procedures may require special tools
or skills. If you are unsure about these procedures take
your unit to a qualified service dealer.
NOTE: Maintenance, replacement, or repair of the emission
control devices and system may be performed by a
qualified service dealer.
In order to assure peak performance of your engine, inspection
of the engine exhaust port may be necessary after 50 hours of
operation. If you notice lost RPM, poor performance or general
lack of acceleration, this service may be required. If you feel
your engine is in need of this inspection, refer service to a
qualified service dealer for repair. DO NOT attempt to perform
this process yourself as engine damage may result from
contaminants involved in the cleaning process for the port.
CHANGING THE OIL
For a new engine, change the oil after the first 10 hours of
operation. Change the oil while the engine is still warm. The oil
will flow freely and carry away more impurities.
1. Unplug spark plug boot to prevent accidental starting.
2. Remove the oil fill plug.
3. Pour the oil out of the oil
fill hole and into a
container by tipping the
unit to a vertical position
(Fig. 24). Allow ample
time for complete
drainage.
4. Wipe up any oil residue
on the unit and clean up
any oil that may have
spilled. Dispose of the
oil according to Federal,
State and local
regulations.
5. Refill the crankcase with
3.04 fluid ounce (90 ml)
or 3/8 cup of SAE 30 SF,
SG, SH oil.
WARNING: Wear gloves to prevent injury when
handling unit.
Fig. 24
Fig. 21