Spark Plug Service - Honda WH15X Owner's Manual

SPARK PLUG SERVICE

In order to service the spark plug, you will need a spark plug wrench
(commercially available).
Recommended spark plug:
Incorrect spark plugs 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.
SPARK PLUG WRENCH
SPARK PLUG CAP
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 suitable gauge.
Correct the gap, if necessary, by
care f ul ly b end ing the s ide
electrode.
The gap should be:
0.028 0.031 in (0.70 0.80 mm)
5. Install the spark plug carefully, by hand, to avoid cross-threading.
SERVICING YOUR PUMP
BPR6ES (NGK)
W20EPR-U (DENSO)
0.028 0.031 in
(0.70 0.80 mm)
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