Caution
■ A dirty air cleaner will restrict air flow to the carburetor, reducing engine performance. If the engine is
operated in dusty areas, clean the air cleaner more often than specified in the Maintenance Schedule.
■ Never run the engine in case there is no element or the filter is damaged, as it will do great harm to
the engine.
3.5 Spark plug
Inspection/Cleaning:
1) Remove the spark plug cap and remove the spark plug.
2) Remove carbon or other deposits with a plug cleaner or stiff ire brush. Check the sealing washer for
damage.
3) Measure the plug resistance; replace the spark plug if the measure is not accord with the asked valve.
Spark plug resistance 3~9KΩ
4) Measure the plug gap with a wire-type feeler gauge. Adjust by bending the side electrode if the
measure is not accord with the asked valve.
Spark plug clearance 0.6~0.7mm
Standard spark plug A7RTC
0.6-0.7
5). Install the plug finger tight to seat the washer, and then tighten with a plug wrench.
Torque valve is 12~15 N.m
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