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CHK
ADJ
CHECKING THE SPARK PLUGS/
MEASURING THE COMPRESSION PRESSURE
4. Check:
• electrode 1
Damage/wear → Replace the spark plug.
• insulator 2
Abnormal color → Replace the spark plug.
Normal color is medium-to-light tan.
5. Clean:
• spark plug
(with a spark plug cleaner or wire brush)
6. Measure:
• spark plug gap a
(with a wire thickness gauge)
Out of specification → Regap.
7. Install:
• spark plug
• ignition coil
NOTE:
_
Before installing the spark plug, clean the
spark plug and gasket surface.
8. Install:
• rubber baffle
• ignition coil plates
• air filter case
Refer to “AIR FILTER CASE”.
• fuel tank
Refer to “FUEL TANK”.
• rider seat
Refer to “SEATS”.
Spark plug gap
0.8 ~ 0.9 mm (0.032 ~ 0.035 in)
T
R
.
.
13 Nm (1.3 m · kg, 9.4 ft · lb)
EAS00065
MEASURING THE COMPRESSION
PRESSURE
The following procedure applies to all of the
cylinders.
NOTE:
_
Insufficient compression pressure will result in
a loss of performance.