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SERVICING YOUR GENERATOR
SEALINGWASHER
0.028 0.031in
(0.70 0.80mm)
Inspect the spark plug. Replace
it if the electrodes are worn or if
the insulator is cracked,
chipped or fouled.
Measure the sparkplug
electrode gap with a wire-type
feeler gauge. Correctthe gap, if
necessary, by carefully bending
thesideelectrode.
The gap should be:
Make sure that the spark plug sealing washeris in good condition,
and thread the spark plug in by hand prevent cross-threading.
After the spark plug seats, tighten with a 13/16-inch spark plug
wrench to compressthe washer.
If reinstalling a used spark plug, tighten 1/8 1/4 turn after the spark
plug seats.
If installing a new spark plug, tighten 1/2 turn after the spark plug
seats.
A loose spark plug can overheat and damage the engine.Overtightening the spark plug can damage the threads in thecylinder head.Attach the spark plug cap.
Reinstall the spark plug inspection cover and tighten the cover
screw.
0.028 0.031in (0.70 0.80 mm)
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05/04/25 09:44:50 31Z11600_053