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KJ22CR-L8 (DENSO)
ZFR7F-8 (NGK)
69
Spark Plug Service
SERVICING YOUR OUTBOARD MOTOR
SPARK PLUG
WRENCH
SEARING WASHER
0.028
0.031 in
(0.70
0.80 mm)
Incorrect spark plugs can cause
engine damage.
RECOMMENDED SPARK PLUGS:
Disconnect the spark plug caps
from the spark plugs.
Inspect the spark plugs. Replace
them if the electrodes are worn, or
if the insulators are cracked or
chipped. Clean the spark plugs
with a wire brush if you are going
to reuse them.
Unlock and remove the engine
cover (p.
).
Measure the spark plug electrode
gap with a suitable gauge. The gap
should be 0.028
0.031 inches
(0.70
0.80 mm).
Remove the spark plugs with a
spark plug wrench.
1.
2.
3.
4.
5.
02/10/28 13:56:29 31ZW5601_070