5-9
SPARK PLUG CLEANING
To maintain a hot, strong spark, keep
the plug free from carbon. Adjust the
gap to 0.7 – 0.8 mm for good ignition.
Use a thickness gauge to check the
gap.
IDLE SPEED ADJUSTMENT
Adjust the engine idle speed periodi-
cally with the engine at normal oper-
ating temperature.
To adjust the idle speed:
1. Start the engine and warm it up.
2. Turn the throttle stop screw 1 in
or out so that the engine idles at
1700 – 1900 r/min.
0.7 – 0.8 mm
WARNING
Improper adjustment of the idle
speed can be hazardous.
An idle that is too high can cause
the ATV to lurch forward when you
shift to first gear. This may cause
an accident. Excessive engine
wear may also result if idle speed
is adjusted improperly or when
the engine is not fully warmed up.
Adjust the idle to the correct
speed. Make sure the engine is
fully warm before adjusting the
idle speed.
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