Remove the luggage box (page 2-25).
Check the crankcase breather hose [1] for deterioration,
damage or leakage.
Replace the crankcase breather hose if necessary.
Also check the crankcase breather hose fittings for
leakage.
Install the luggage box (page 2-25).
Support the scooter
Remove the plug maintenance lid (page 2-18).
with its centerstand.
Clean around the
spark plug base
with compressed
air
before removing the
plug and make sure
no debris is allowed
to
enter the
combustion
chamber.
Disconnect the spark plug cap [1] and remove the spark
plug
[2].
Inspect or replace
as
described
in
the maintenance
schedule (page 3-4
).
Clean the spark plug electrodes with a wire brush or
special plug cleaner.
Check the insulator for cracks or damage, and the
electrodes for wear, fouling or discoloration.
Always use the
SPECIFIED SPARK PLUG: CPR7EA-9 (NGK)
specified spark plug
on this motorcycle.
Measure the spark plug gap between the center and
side electrodes with a wire type feeler gauge.
If necessary, adjust the gap by bending the side
electrode carefully.
SPARK PLUG GAP: 0.8 - 0.9 mm (0.03 - 0.04 in)
Install and hand tighten the spark plug to the cylinder
head, then tighten the spark plug to the specified
torque.
TORQUE: 16 N·m (1.6 kgf·m, 12 lbMt)
Install the removed parts
in
the reverse order
of
removal.
INSULATOR
0.8-0.9
mm
(0.03 - 0.04
in)
MAINTENANCE
CENTER
ELECTRODE
SIDE ELECTRODE
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