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PERIODIC MAINTENANCE AND MINOR REPAIR
6
EAU01752
Adjusting the carburetor
The carburetor is an important part of
the engine and its emission control
system, which requires very sophisti-
cated adjustment. Therefore, carbu-
retor adjustments should be left to
Yamaha dealer, who has the neces-
sary professional knowledge and
experience.
EAU00637
Adjusting the valve
clearance
The valve clearance changes with
use, resulting in improper air-fuel mix-
ture and/or engine noise. To prevent
this from occurring, the valve clear-
ance must be adjusted by a Yamaha
dealer at the intervals specified in the
periodic maintenance and lubrication
chart.
EAU00635
Adjusting the throttle cable
free play
The throttle cable free play should
measure 3–5 mm (0.12–0.20 in) at
the throttle grip. Periodically check
the throttle cable free play and, if
necessary, have a Yamaha dealer
adjust it.
a
a. Free play
5RK-9-11(US) 4/26/02 7:16 PM Page 57