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PERIODIC MAINTENANCE AND ADJUSTMENT
Carburetor
The carburetor is an important part of
the engine and its emission control sys-
1
tem, which requires very sophisticated
adjustment. Therefore, carburetor ad-
2
justments should be left to Yamaha
dealer, who has the necessary profes-
3
sional knowledge and experience.
4
5
6
7
8
9
EAU21251
Checking the engine idling
speed
Check the engine idling speed and, if
necessary, have it corrected by a
Yamaha dealer.
Engine idling speed:
1350–1550 r/min
7-17
EAU44734
Checking the throttle grip free
play
1. Throttle grip free play
The throttle grip free play should mea-
sure 3.0–5.0 mm (0.12–0.20 in) at the
inner edge of the throttle grip. Periodi-
cally check the throttle grip free play
and, if necessary, have a Yamaha
dealer adjust it.
EAU21384
1
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Troubleshooting
