Honda EM10000 Owner's Manual page 52

11/12/06 12:57:54 42Z26700_052
SERVICING YOUR GENERATOR
5. Make sure that the spark plug sealing washers are in good condition,
and thread the spark plug in by hand to prevent cross threading.
6. After the spark plugs seat, tighten with a spark plug wrench to
compress the 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 the
cylinder head.
7. Attach the spark plug caps.
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