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6.
Check the spark plug gap using a wire-
type feeler gauge.
u If adjustment is necessary, bend the
side electrode carefully.
The gap should be:
0.031 - 0.035 in (0.80 - 0.90 mm)
7.
Make sure the plug washer is in good
condition.
8.
Install the spark plug. 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:
1/2 turn after it seats.
b) Then loosen the plug.
c) Next, tighten the plug again:
1/8 turn after it seats.
NOTICE
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.
11.
Install the parts in the reverse order of
removal.
20161028124049_31GJB6100_enu_BOOK Page 71 Friday, October 28 2016 12:43:25 JST
Spark Plug u Checking Spark Plug
Maintenance
68
Spark plug gap
Side
electrode
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