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Recommended spark plugs:
Spark Plug Service
SPARKPLUG WRENCH
SPARKPLUG CAP
SEALINGWASHER
0.028 0.031in
(0.7 0.8mm)
In order to service the sparkplug, you will need a spark plug wrench
(commercially available).
BPR5ES (NGK) W16EPR-U (DENSO)
Visually inspect the spark plug.
Discard it if the insulator is
cracked, chipped, or fouled.
Measure the spark plug electrode
gap with a wire-type feeler gauge.
Correct the gap, if necessary, by
carefullybendingtheside
electrode.
The gap should be:
0.028 0.031in (0.7 0.8 mm)
To ensure proper engine operation, the spark plug must be properly
gapped and free of deposits.
An incorrect spark plug can cause engine damage.
If the engine has been running, let it to cool before servicing the spark
plug.
Remove the spark plug cap.
Clean any dirt from around the spark plug base.
Use a spark plug wrench to remove the spark plug.
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