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U14FSR-UB (DENSO)
CR4HSB (NGK)
45
Spark Plug Service
SERVICING YOUR OUTBOARD MOTOR
SPARK PLUG WRENCH
0.024
0.028 in
(0.60
0.70 mm)
SEALING WASHER
Incorrect spark plug can cause
engine damage.
Remove the engine cover (p.
Disconnect the spark plug cap
from the spark plug.
Remove the spark plug with a
spark plug wrench and screwdriver
supplied in the tool kit.
Inspect the spark plug. Replace it
if the electrodes is worn, or if the
insulators is cracked or chipped.
Clean the spark plug with a wire
brush if you are going to reuse it.
RECOMMENDED SPARK PLUG:
Measure the spark plug electrode
gap with a suitable gauge. The gap
should be 0.024
0.028 inches
(0.60
0.70 mm). Correct the
gap, if necessary, by carefully
bending the side electrode.
1.
2.
3.
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5.
03/05/30 15:12:14 31ZW6601_046
