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5.
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:
0.03 - 0.04 in (0.8 - 0.9 mm)
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:
a) First, tighten the plug:
NGK: 1/2 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.
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.
9.
Install the parts in the reverse order of
removal.
u
When reinstalling the spark plug cap,
take care to avoid pinching any cables
or wires.
20190626120438_31K0FA100_enu_BOOK Page 61 Wednesday, June 26 2019 12:09:25 JST
Spark Plug u Checking Spark Plug
Maintenance
58
Spark plug gap
Side electrode
Plug washer
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