HONDA BF5A - Manual (Page 51)

W16EPR-U (DENSO)
BPR5ES (NGK)
0.028 0.031 in
(0.7 0.8 mm)
49
Spark Plug Service
SERVICING YOUR OUTBOARD MOTOR
SPARK PLUG WRENCH
SEALING WASHER
SIDE ELECTRODE
0.028 0.031 in
(0.7 0.8 mm)
Incorrect spark plug can cause
engine damage.
RECOMMENDED SPARK PLUGS:
Unlock and 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. 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:
1.
2.
3.
4. 5.
43
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