ORIGINAL INSTRUCTIONS
the air filter from the inside. Never try to brush off dirt; brushing will force dirt into the
fibers.
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.
Reinstall the filter and cover.
Spark Plug Service
For good performance, the spark plug must be properly gapped and free of deposits.
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 ~
0.031 in (0.7 ~ 0.8mm). Correct the gap, if necessary, by carefully
bending the side electrode with a suitable tool.
Install the spark plug carefully, by hand, to avoid cross-threading.
Install the spark plug cap on the spark plug.
NOTICE: A loose spark plug can overheat and damage the engine. Over tightening the spark
plug can damage the threads in the cylinder head.
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