Product Manual

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SERVICING YOUR GENERATOR
SEALING WASHER
0.028 0.031 in (0.7 0.8 mm)
SIDE ELECTRODE
Measure the spark plug electrode gap with a wire-type feeler gauge.
Correct the gap, if necessary, by carefully bending the side electrode.
Visually inspect the spark plug. Replace it if the electrodes are worn
or if the insulator is cracked, chipped, or fouled.
0.028 0.031 in (0.7 0.8 mm)
Attach the spark plug cap.
A loose spark plug can overheat and damage the engine.
Overtightening the spark plug can damage the threads in the cylinder
head.
If installing a new spark plug, tighten 1/2 turn after the spark plug
seats to compress the washer. If reinstalling a used spark plug,
tighten 1/8 1/4 turn after the spark plug seats to compress the
washer.
After the spark plug is seated, tighten with a spark plug wrench to
compress the washer.
Check that the spark plug sealing washer is in good condition, and
thread the spark plug in by hand to prevent cross-threading.
The gap should be:
3.
4.
5.
6.
7.
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