Foam air filter element: Clean in warm soapy water, rinse,
and allow drying thoroughly. Or clean in nonflammable
solvent and allow drying. Dip the filter element in clean
engine oil, and then squeeze out all excess oil. The engine will
smoke when started if too much oil is left in the foam.
Wipe dirt from the inside of the air cleaner base and cover,
using a moist rag. be careful to prevent dirt from entering
the air duct that leads to the carburetor.
place the foam air filter element over the paper element,
and reinstall the assembled air filter. be sure the gasket is
in place beneath the air filter. Tighten the air filter wing nut
securely.
Install the air cleaner cover, and tighten the cover wing nut
securely.
6.
7.
8.
SEDIMENT CUP CLEANING
Move the fuel valve to the OFF position, and then remove
the fuel sediment cup and O-ring.
Wash the sediment cup and O-ring in nonflammable solvent,
and dry them thoroughly.
place the O-ring in the fuel valve, and install the sediment
cup. Tighten the sediment cup securely.
Move the fuel valve to the On position, and check for leaks.
Replace the O-ring if there is any leakage.
1.
2.
3.
Gasoline is highly flammable and explosive.
You can be burned or seriously injured when handling
fuel.
Keep heat, sparks and flame away.
Handle fuel only outdoors.
Wipe up spills immediately.
4.
O-RING
SEDIMENT CAP
Disconnect the spark plug cap, and remove any dirt from
around the spark plug area.
Remove the spark plug with a spark plug wrench.
Inspect the spark plug. Replace it if the electrodes are worn,
or if the insulator is cracked or chipped.
Measure the spark plug electrode gap with a suitable gauge.
The gap should be 0.028 in -0.031 in (0.70 mm - 0.80 mm).
Correct the gap, if necessary, by carefully bending the side
electrode.
Install the spark plug carefully, by hand, to avoid cross-
threading.
After the spark plug seats, tighten with a spark plug wrench
to compress the water.
1.
2.
3.
0.028-0.031 in
(0.70-0.80 mm)
SPARK PLUG WRENCH
Attach the spark plug cap.
5.
4.
6.
7.
A loose spark plug can overheat and damage the
engine.
Over tightening the spark plug can damage the threads
in the cylinder head.
IDLE SPEED ADJUSTMENT
Start the engine outdoors, and allow it to warm up to
operating temperature.
Move the throttle lever to its slowest position.
Turn the throttle stop screw to obtain the standard idle
speed.
Standard idle speed: 1800±150 rpm
1.
2.
3.
Recommended spark plugs: F7RTC or other equivalents.
SPARK PLUG SERVICE
An incorrect spark plug can cause engine damage.
12
Gasoline Engine
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Operator’s Manual
Maintenance
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G200FA.indd 12
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