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Spark Plug Service
RECOMMENDED SPARK PLUGS
LMAR6C-9 (NGK)
NOTICE
Incorrect spark plugs can cause
engine damage.
1. Unlatch and remove the engine
cover (p. 79).
SPARK PLUG CAPS
SERVICING YOUR OUTBOARD MOTOR
10 mm BOX WRENCH
SPARK PLUG WRENCH
2. Disconnect the spark plug caps
from the spark plugs.
3. Remove the spark plugs with a
spark plug wrench and 10 mm box
wrench.
4. Inspect the spark plugs. Replace
them if the electrodes are worn, or
if the insulators are cracked or
chipped.
SIDE ELECTRODE
/
5. Measure the spark plug electrode
gap with a wire-type feeler gauge.
Correct the gap, if necessary, by
carefully bending the side
electrode.
The gap should be:
0 . 0 3 1 - 0 .0 3 5 in
(0.8—0.9 mm)
-INSULATOR
83
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