2008 Yamaha Motorsports V Star Custom Owners Manual - Page 57

2008 Yamaha Motorsports V Star Custom Manual

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PERIODIC MAINTENANCE AND MINOR REPAIR EAU21271 EAU21311 EAU21382 Carburetors The carburetors are important parts of the engine and emission control system, which require very sophisticated adjustment. Therefore, all carburetor adjustments should be left to a Yamaha dealer, who has the necessary professional knowledge and experience. Checking the engine idling speed The engine idling speed must be checked as follows and, if necessary, adjusted by a Yamaha dealer at the intervals specified in the periodic maintenance and lubrication chart. Start the engine and warm it up for several minutes at 1000-2000 r/min while occasionally revving it to 4000-5000 r/min. NOTE: The engine is warm when it quickly responds to the throttle. Engine idling speed: 1150-1250 r/min Checking the throttle cable free play 1. Throttle cable free play The throttle cable free play should measure 4.0-6.0 mm (0.16-0.24 in) at the throttle grip. Periodically check the throttle cable free play and, if necessary, have a Yamaha dealer adjust it. 6 6-16

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PERIODIC MAINTENANCE AND MINOR REPAIR
6-16
6
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.
EAU21311
Checking the engine idling
speed
The engine idling speed must be
checked as follows and, if necessary,
adjusted by a Yamaha dealer at the in-
tervals specified in the periodic mainte-
nance and lubrication chart.
Start the engine and warm it up for sev-
eral minutes at 1000–2000 r/min while
occasionally revving it to 4000–5000
r/min.
NOTE:
The engine is warm when it quickly re-
sponds to the throttle.
EAU21382
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
throttle grip. Periodically check the
throttle cable free play and, if neces-
sary, have a Yamaha dealer adjust it.
Engine idling speed:
1150–1250 r/min
1.
Throttle cable free play