Yamaha FZ6-SS - Checking the Spark Plugs

3-22
A
B
CHECKING THE SPARK PLUGS
CHK
ADJ
CAUTION:
EAS00059
CHECKING THE SPARK PLUGS
The following procedure applies to all of the
spark plugs.
1. Remove:
S radiator lower bolt
1
S radiator lower hose bracket bolt
2
2. Remove:
S spark plug caps
S spark plugs
A
Right side #1 and #2 and #3
B
Left side #4
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 (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)
6. Measure:
S spark plug gap
a
(with a wire Thickness gauge)
Out of specification ! Regap.
Spark plug gap
0.6 X 0.7 mm
(0.0236 X 0.0276 in)