Spark Plug Service; Servicing Your Tiller (Continued) - Honda FRC800 Owner's Manual

Tiller
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SPARK PLUG SERVICE

Recommended spark plug:
An incorrect spark plug can cause engine damage.
1.
Disconnect the spark plug cap, and remove any dirt from around the
spark plug area.
2.
Remove the spark plug with a 13/16-inch spark plug wrench.
3.
Inspect the spark plug. Replace it
if the electrodes are worn, or if the
insulator is cracked or chipped.
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:
0.028 0.031 in (0.7 0.8 mm)
5.
Install the spark plug carefully, by
hand, to avoid cross-threading.
6.
After the spark plug seats, tighten
with a 13/16-inch spark plug
wrench to compress the washer.
SERVICING YOUR TILLER
BPR6ES (NGK)
SPARK PLUG WRENCH
SIDE ELECTRODE
W20EPR-U (DENSO)
0.028 0.031 in
(0.7 0.8 mm)
SEALING WASHER
INSULATOR
39

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