63
6. Check the spark plug gap (1) using a
wire-type feeler gauge. If adjustment is
necessary, bend the side electrode (2)
carefully.
The gap should be:
0.60 – 0.70 mm (0.024 – 0.028 in)
7. Make sure the plug washer is in good
condition.
8. With the plug washer attached, thread
the spark plug in by hand to prevent
cross-threading.
9. Tighten the spark plug:
• If the old plug is good:
1/8 turn after it seats.
• If installing a new plug, tighten it twice
to prevent loosening:
a) First, tighten the plug:
NGK: 1 turn after it seats.
DENSO: 3/4 turn after it seats.
b) Then loosen the plug.
c) Next, tighten the plug again:
1/8 turn after it seats.
An improperly tightened spark plug can
damage the engine. If a plug is too loose, a
piston may be damaged. If a plug is too
tight, the threads may be damaged.
10. Reinstall the spark plug cap. Take care
to avoid pinching any cables or wires.
(1) Spark plug gap (2) Side electrode
37GELA00.book 63 ページ ２０１６年３月３日 木曜日 午後２時１９分
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