HONDA WH15X - Manual (Page 37)

35
SERVICING YOUR PUMP
SPARK PLUG SERVICE
SPARK PLUG WRENCH
SPARK PLUG CAP
0.028 0.031 in
(0.70 0.80 mm)
In order to service the spark plug, you will need a spark plug wrench
(commercially available).
Incorrect spark plugs can cause engine damage.
Disconnect the spark plug cap, and remove any dirt from around the
spark plug area.
Remove the spark plug with a 13/16-inch spark plug wrench.
BPR6ES
W20EPR-U
Inspect the spark plug. Replace it
if the electrodes are worn, or if the
insulator is cracked or chipped.
Measure the spark plug electrode
gap with a suitable gauge.
Correct the gap, if necessary, by
c a r e f u l l y b e n d i n g t h e s i d e
electrode.
The gap should be:
0.028
0.031 in (0.70 0.80 mm)
Install the spark plug carefully, by hand, to avoid cross-threading.
1.
2.
3.
4.
Recommended spark plug: (NGK)
(DENSO)
5.
07/06/05 14:22:58 31YB7720_036