Spark Plug
u
Checking Spark Plug
53
Mainten
a
nce
5.
Check the spark plug gap using a wire-
type feeler gauge.
u
If adjustment is necessary, bend the
side electrode carefully.
6.
Make sure the plug washer is in good
condition.
7.
Install the spark plug. With the plug
washer attached, thread the spark plug in
by hand to prevent cross-threading.
8.
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:
9.
Reinstall the spark plug cap. Take care
avoid pinching any cables or wires.
The gap should be:
0.80 to 0.90 mm (0.031 to 0.035 in)
Side electrode
Spark plug gap
a) First, tighten the plug:
1/2 turn after it seats.
b) Then loosen the plug.
c) Next, tighten the plug again:
1/8 turn after it seats.
NOTICE
Improperly tightened spark plug can damage the engine.
If a plug is too lose, a piston may be damaged. If a plug is
too tight, the threads may be damaged.
15 CGX125SH (KE)-32K52D000.book 53 ページ ２０１５年８月５日 水曜日 午後１時２６分
