23
after handling used oil.
NOTE:
Please dispose of used motor oil in a manner that is friendly to the environment. Take it
to a recycling center or other collection center.
Spark Plug
WARNING! DO NOT
check for spark with spark plug removed. DO NOT crank engine
with spark plug removed.
WARNING!
If the engine has been running, the muffler will be very hot .Be careful not to
touch the muffler.To ensure proper engine operation, the spark plug must be properly gapped
and free of deposits.
1.
Clean any dirt from the spark plug cap and spark plug base.
2.
Remove the spark plug cap.
3.
Using socket wrench to loose and remove the spark plug.
4.
Inspect the spark plug and spark plug washer, if it’s damaged or worn, replace with new one. Clean the
spark plug with wire brush if reuse it.
5.
Check spark plug gap. Carefully bend side electrode to adjust the gap if necessary.
Spark plug gap: 0.6mm - 0.8mm (
Figure 8
)
6.
Carefully thread the plug into the engine by hand.
7.
After the spark plug is seated, use spark plug wrench to tighten the plug.
Spark plug tighten torque: 20-25 N.m
8.
Assemble spark plug cap back in to spark plug.
NOTE:
When installing a new spark plug. Tighten 1/2-turn after the spark plug seats to
compress the washer. When reinstalling a used spark plug, tighten1/8-to1/4-turn after the spark
plug seats to compress the washer.
CAUTION!
The spark plug must be tightened securely. A loose spark plug can become
very hot and can damage the engine.
Figure 8