honda-automobiles gcv520 ユーザーズマニュアル
−
−
−
−
31
SERVICING YOUR ENGINE
SPARK PLUG SERVICE
SPARK PLUG WRENCH
0.028
0.031 in
(0.70
0.80 mm)
BPR5ES
Incorrect spark plugs can cause engine damage.
W16EPR-U
Disconnect the spark plug caps, and remove any dirt from around
the spark plug area.
the spark plug area.
Remove the spark plugs with a 13/16-inch spark plug wrench.
Inspect the spark plugs. Replace
them if the electrodes are worn,
or if the insulator is cracked or
chipped. Clean the spark plugs
with a wire brush if you are going
to reuse them.
them if the electrodes are worn,
or if the insulator is cracked or
chipped. Clean the spark plugs
with a wire brush if you are going
to reuse them.
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.
Recommended spark plugs:
4.
5.
1.
2.
3.
(DENSO)
(NGK)
03/05/14 17:15:03 31Z0A600_032