SPARK PLUG SERVICE
Recommended spark plugs: BPR6ES (NGK)
An incorrect spark plugs can cause engine damage.
If the engine is hot, allow it to cool before servicing the spark plug.
1.Disconnect the spark plug cap, and remove any dirt from around the
spark plug area.
2.Remove the spark plug with a spark plug wrench.
SPARK PLUG WRENCH
3.Inspect the spark plug. Replace it
if the electrodes are worn or if the
insulator is cracked, chipped, or
fouled.
4.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:
0.7—0.8 mm
SERVICING YOUR GENERATOR
W20EPR-U (DENSO)
SIDE ELECTRODE
SPARK PLUG CAP
0.7–0.8 mm
SEALING
WASHER
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