Honda BF40A - Spark Plug Service

−
−
−
−
X22ESR-U (DENSO)
DR7EA (NGK)
0.024 0.028 in
(0.60 0.70 mm)
68
Spark Plug Service
SERVICING YOUR OUTBOARD MOTOR
SPARK PLUG
WRENCH
SPARK PLUG CAPS
0.024 0.028 in
(0.60 0.70 mm)
SIDE ELECTRODE
SEALING WASHER
Incorrect spark plugs can cause
engine damage.
RECOMMENDED SPARK PLUGS:
Unlatch and remove the engine
cover (p. ).
Disconnect the spark plug caps
from the spark plugs.
Remove the spark plugs with a
sparkplugwrench.
Inspect the spark plugs. Replace
them if the electrodes are worn, or
if the insulators are 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.
62
05/02/22 10:55:19 31ZW3600_069