PERIODIC MAINTENANCE AND ADJUSTMENT
7-17
7
EAU21271
Carburetors
The carburetors are important parts of
the engine and emission control sys-
tem, which require very sophisticated
adjustment. Therefore, all carburetor
adjustments should be left to a Yamaha
dealer, who has the necessary profes-
sional knowledge and experience.
EAU44734
Checking the engine idling
speed
Check the engine idling speed and, if
necessary, have it corrected by a
Yamaha dealer.
EAU21383
Checking the throttle cable
free play
The throttle cable free play should mea-
sure 4.0–6.0 mm (0.16–0.24 in) at the
inner edge of the throttle grip. Periodi-
cally check the throttle cable free play
and, if necessary, have a Yamaha deal-
er adjust it.
Engine idling speed:
1150–1250 r/min
1. Throttle cable free play
1
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