Owner's Manual

45
SERVICING YOUR GENERATOR
4.Visually inspect the spark plug. Replace it if the electrodes are worn
or if the insulator is cracked, chipped, or fouled.
5.Measure the spark plug electrode gap with a wire-type feeler gauge.
Correct the gap, if necessary, by carefully bending the side electrode.
The gap should be:
0.028–0.031 in (0.7–0.8 mm)
6.Check that the spark plug sealing washer is in good condition, and
threa
d the spark plug in by hand to prevent cross-threading.
7.After the spark plug is seated, tighten with a spark pl
ug wr
ench to
compress the washer.
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.
A loose spark plug can overheat and damage the engine.
Overtigh
tening the spark plug can damage the threads in the cylinder
head.
8.Reinstall the spark plug cap on the spark plug securely.
SIDE ELECTRODE
SEALING WASHER
0.028–0.031 in (0.7–0.8 mm)
INSULATOR
31Z037210.book 45 ページ 2014年1月27日 月曜日 午後12時2分