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8-4
JW7
Spark Plug Inspection
You should periodically remove and
inspect the spark plug. Dirty or
worn spark plugs can cause poor
performance.
å
Spark plug
∫
Spark plug cap
1. Check for discoloration and
remove carbon deposits with a
spark plug cleaner or wire
brush. The normal electrode
color will be tan.
2. Check the spark plug type, and
check the spark plug gap with a
feeler gauge.
Standard spark plug:
BPR2ES/BPR4ES
Spark plug gap:
0.7 ˜ 0.8 mm (0.028 ˜ 0.031 in.)
å
Gap
3. Clean the gasket and plug
surfaces and install the spark
plug finger-tight before tighten-
ing to the following torque:
Spark plug torque:
20 Nm, 2.0 m.kg
(14.5 ft.lb)
When removing or installing the
spark plug, be careful not to
damage the insulator. A damaged
insulator could allow external
sparks, which could lead to
explosion or fire. Death or serious
personal injury can result from
failing to comply with warning
instructions in this manual.
Y-516
A
B
A
Y-37
MAINTENANCE
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