3-5
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MAINTENANCE
CRANKCASE BREATHER
• Service more frequently when ridden in rain, at full
throttle, or after the motorcycle is washed or
overturned. Service if the deposits level can be seen
in the transparent section of the breather drain hose.
Remove the drain plug [1] from the breather drain hose
[2] and drain deposits into a suitable container.
Reinstall the drain plug.
SPARK PLUG
REMOVAL/INSTALLATION
Disconnect the spark plug cap [1], and clean around the
spark plug base.
Remove the spark plug [2].
Inspect or replace as described in the maintenance
schedule (page 3-2).
Install and hand tighten the spark plug to the cylinder
head, and then tighten the spark plug to the specified
torque.
Connect the spark plug cap.
INSPECTION
Check the following and replace if necessary.
• Insulator for damage
• Center electrode and side electrode for wear
• Burning condition, coloration;
– Dark to light brown indicates good condition
– Excessive lightness indicates malfunctioning
ignition system or lean mixture
– Wet or black sooty deposit indicates over-rich
mixture
Clean the spark plug electrodes with a wire brush or
special plug cleaner.
Check the gap between the center and side electrodes
with feeler gauge.
If necessary, adjust the gap by bending the side
electrode carefully.
RECOMMENDED SPARK PLUGS:
Standard:
CPR7EA-9 (NGK)
For extended high speed riding:
CPR8EA-9 (NGK)
TORQUE:16 N·m (1.6 kgf·m, 12 lbf·ft)
SPARK PLUG GAP:
0.80 – 0.90 mm (0.031 – 0.035 in)
0.80 – 0.90 mm
(0.031 – 0.035 in)
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