Adjusting The Engine Idling Speed; Adjusting The Throttle Cable Free Play - Yamaha 2001 Drag Star XV250N Owner's Manual

Adjusting the engine idling
speed
The engine idling speed must be
checked and, if necessary, adjusted as
follows at the intervals specified in the
periodic maintenance and lubrication
chart.
NOTE:
_
A diagnostic tachometer is needed to
make this adjustment.
_
1. Attach the tachometer to the spark
plug lead.
2. Start the engine and warm it up for
several minutes
2,000 r/min while occasionally rev-
ving it to 4,000–5,000 r/min.
NOTE:
_
The engine is warm when it quickly re-
sponds to the throttle.
_
PERIODIC MAINTENANCE AND MINOR REPAIR
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1. Throttle stop screw
3. Check the engine idling speed
and, if necessary, adjust it to spec-
ification by turning the throttle stop
screw. To increase the engine
idling speed, turn the screw in di-
rection a. To decrease the engine
at 1,000–
idling speed, turn the screw in di-
rection b.
Engine idling speed:
1,200–1,400 r/min
NOTE:
_
If the specified idling speed cannot be
obtained as described above, have a
Yamaha dealer make the adjustment.
_
a. Throttle cable free play
Adjusting the throttle cable
free play
The throttle cable free play should
measure 3–5 mm at the throttle grip.
Periodically check the throttle cable
free play and, if necessary, have a
Yamaha dealer adjust it.
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