−
−
−
−
U14FSR-UB (DENSO)
CR4HSB (NGK)
0.024 0.028 in
(0.6 0.7 mm)
45
Spark Plug Service
SERVICING YOUR OUTBOARD MOTOR
SPARK PLUG WRENCH
SEALING WASHER
SIDE ELECTRODE
0.024 0.028 in
(0.6 0.7 mm)
Incorrect spark plug can cause
engine damage.
RECOMMENDED SPARK PLUG:
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 electrode is worn, or if the
insulator is cracked or chipped.
The gap should be:
Measure the spark plug electrode
gap with a wire-type feeler gauge.
Correct the gap, if necessary, by
carefully bending the side
electrode.
1.
2.
3.
4. 5.
41
09/04/17 16:13:43 31ZW6601_046