Adjusting The Speed Limiter - Yamaha YFM660RN Service Manual

ADJUSTING THE SPEED LIMITER

ADJUSTING THE SPEED LIMITER
The speed limiter keeps the carburetor throttle
from becoming fully-opened even when the
throttle lever is applied to the maximum posi-
tion. Screwing in the adjuster stops the engine
speed from increasing.
1.Check:
2.Adjust:
***********************************************
Speed limiter length adjustment steps:
Turning in
Turning out
***********************************************
3 - 14
Speed limiter length a
Out of specification → Adjust.
Speed limiter length:
12 mm (0.47 in)
Speed limiter length
Loosen the locknut 1.
Turn the adjuster 2 in or out until the speci-
fied speed limiter length is obtained.
Speed limiter length is
decreased.
Speed limiter length is
increased.
Tighten the locknut.
WARNING
Particularly for a beginner rider, the
speed limiter should be screwed in com-
pletely. Screw it out little by little as their
riding technique improves. Never remove
the speed limiter for a beginning rider.
For proper throttle lever operation do not
turn out the adjuster more than 12 mm
(0.47 in). Also, always adjust the throttle
lever free play to 3 ~ 5 mm (0.12 ~ 0.20 in).
CHK
ADJ