3-21
ADJUSTING THE THROTTLE CABLE FREE PLAY/
CHECKING THE SPARK PLUGS
CHK
ADJ
CAUTION:
4. Install:
S left frame side cover
Refer to “COWLINGS”.
S air filter case
Refer to “AIR FILTER CASE”.
S fuel tank
Refer to “FUEL TANK”.
S rider seat
Refer to “SEATS”.
EAS00059
CHECKING THE SPARK PLUGS
The following procedure applies to all of the
spark plugs.
1. Remove:
S rider seat
Refer to “SEATS”.
S fuel tank
Refer to “FUEL TANK”.
S air filter case
Refer to “AIR FILTER CASE”.
2. Remove:
S heat protector plate
S ignition coils
S spark plugs
Before removing the spark plugs, blow away
any dirt accumulated in the spark plug wells
with compressed air to prevent it from fal-
ling into the cylinders.
3. Check:
S spark plug type
Incorrect ! Change.
Spark plug type (manufacturer)
CR9EK or CR10EK (NGK)
4. Check:
S electrode
1
Damage/wear ! Replace the spark plug.
S insulator
2
Abnormal color ! Replace the spark plug.
Normal color is medium-to-light tan.
5. Clean:
S spark plug
(with a spark plug cleaner or wire brush)
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