2-8 PERIODIC MAINTENANCE
• Measure the spark plug gap
A
with a wire gauge.
• If it is not within the specification, replace the spark plug.
Spark plug gap: 0.9 – 1.0 mm (0.035 – 0.039 in)
Standard Spark plug
• Check that the ignition coil/plug cap and the spark plug instal-
lation recess on the cylinder head are clean and free of dirt or
mud. If such fouling is found, wipe clean thoroughly.
• Tighten the spark plug with specified tightening torque after
tightening the spark plug temporarily with fingers.
09930-10121: Spark plug wrench set
Spark plug: 11 N·m (1.1 kgf-m, 8.0 lbf-ft)
• Install the ignition coil plug cap securely.
• Connect the lead wire coupler
4
.
NOTE:
The coupler
4
of ignition coil/plug cap
3
faces backward.
• Install the ignition coil retainer
2
.
• Tighten the ignition coil retainer bolts
1
to the specified
torque.
Ignition coil retainer bolt: 11 N·m (1.1 kgf-m, 8.0 lbf-ft)
B
90°
–
110°
* To prevent the damage of iridium center electrode,
use a wire gauge to check the gap.
* Never adjust the spark plug gap.
* Changing the spark plug heat range improperly can
damage the engine.
NGK
CR8EIA-10
Do not hit the ignition coil/plug cap with a plastic ham-
mer when installing it.
INCORRECT
