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in nonflammable solvent and dry it thoroughly.
2. Dip the air filter 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.
3. Wipe dirt from 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.
SPARK PLUG SERVICE
Recommended spark plug: F7TC、F7RTC or other equivalents.
Incorrect spark plugs can cause engine damage.
1. Disconnect the spark plug cap, and remove any dirt from around the spark
plug area.
2. Remove the spark plug with a spark plug wrench.
3. Inspect the spark plug. Replace it if the electrodes are worn, or if the insulator
is cracked or chipped.
4. Measure the spark plug electrode gap with a suitable gauge. Correct the gap if
necessary, by carefully bending the side electrode. The gap should be: 0.028－
0.031 in (0.70－0.80 mm).
5. Install the spark plug carefully, by hand, to avoid cross-threading.
6.After the spark plug seats, tighten with a spark plug wrench to compress the
sealing washer.
If reinstalling the used spark plug, tighten 1/8－1/4 turn after the spark plug
seats.
If installing a new spark plug, tighten 1/2 turn after the spark plug seats.
SPARK PLUG
CAP
SPARK PLUG
WRENCH
0.70-0.80mm
SEALING
WASHER
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