Yamaha YP250 Mobility Scooter User Manual


 
3-11
IDLING SPEED ADJUSTMENT/
THROTTLE CABLE ADJUSTMENT
INSP
ADJ
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NOTE:
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NOTE:
3. Check:
D Engine idling speed
Out of specification ! Adjust.
Engine idling speed:
1,450 1,550 r/min
4. Adjust:
D Engine idle speed
Adjustment steps:
D Turn the pilot screw
1
until it is lightly seated.
D Turn the pilot screw out by the specified num-
ber of turns.
Pilot screw:
1-7/8 turns out
D Turn the throttle stop screw
2
in or out until
the specified idling speed is obtained.
Turning in ! Idling speed is increased.
Turning out ! Idling speed is decreased.
5. Adjust:
D Throttle cable free play
Refer to “THROTTLE CABLE FREE
PLAY ADJUSTMENT” section.
YP303032
THROTTLE CABLE ADJUSTMENT
Prior to adjusting the throttle cable free play, the
engine idling speed should be adjusted.
1. Check:
D Throttle cable free play
a
Out of specification ! Adjust.
Free play (throttle cable):
3 5 mm at throttle grip flange
2. Adjust:
D Throttle cable free play
Adjustment steps:
Never accelerate the throttle when stopping the
engine.