PERIODIC MAINTENANCE AND MINOR REPAIR
6-22
6
EAU00628
Adjusting the 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 neces-
sary professional knowledge and expe-
rience.
EAU00635
Adjusting the throttle cable
free play
The throttle cable free play should
measure 3–7 mm (0.12–0.28 in) at the
throttle grip. Periodically check the
throttle cable free play and, if neces-
sary, have a Yamaha dealer adjust it.
EAU00637
Adjusting the valve clearance
The valve clearance changes with use,
resulting in improper air-fuel mixture
and/or engine noise. To prevent this
from occurring, the valve clearance
must be adjusted by a Yamaha dealer
at the intervals specified in the periodic
maintenance and lubrication chart.
a. Throttle cable free play
U5AH16.book Page 22 Wednesday, May 8, 2002 9:16 AM
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