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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.
The brake lever cable adjustment
If the brake lever were loose, you should turn
the brake cable adjustment to tighten. (please
see the picture)
21
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