honda-automobiles gx120 User Manual
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34
SERVICING YOUR ENGINE
SPARK PLUG SERVICE
SPARK PLUG WRENCH
0.028
0.031 in
(0.70
0.80 mm)
Disconnect the spark plug cap, and remove any dirt from around the
spark plug area.
spark plug area.
Remove the spark plug with a 13/16-inch spark plug wrench.
An incorrect spark plug can cause engine damage.
BPR6ES
W20EPR-U
W20EPR-U
Inspect the spark plug. Replace it
if the electrodes are worn, or if the
insulator is cracked or chipped.
if the electrodes are worn, or if the
insulator is cracked or chipped.
Measure the spark plug electrode
gap with a suitable gauge. The
g a p s h o u l d b e 0.028
gap with a suitable gauge. The
g a p s h o u l d b e 0.028
0.031 i n
(0.70
0.80 mm). Correct the gap,
if necessary, by carefully bending
the side electrode.
the side electrode.
Install the spark plug carefully, by
hand, to avoid cross-threading.
hand, to avoid cross-threading.
1.
2.
3.
4.
5.
Recommended spark plugs:
(NGK)
(DENSO)
02/11/29 16:21:39 31Z0T600_035