2-6 FUEL SYSTEM
Throttle Grip and Cable
Throttle Grip Free Play Inspection
Check the throttle grip free play [A].
If the free play is incorrect, adjust the throttle cable.
Throttle Grip Free Play
Check that the throttle grip moves smoothly from full open
to close, and the throttle closes quickly and completely in
all steering positions by the return spring.
If the throttle grip does not return properly, check the throt-
tle cable routing, grip free play, and cable damage. Then
lubricate the throttle cable.
Run the engine at the idle speed, and turn the handlebar
all the way to the right and left to ensure that the idle speed
does not change.
If the idle speed increase, check the throttle cable free
play and the cable routing.
Throttle Cable Adjustment
Loosen the locknuts [A], and screw both throttle cable ad-
justers [B] in fully at the upper end of the throttle cables
so as to give the throttle grip plenty of play.
Turn out the decelerator cable [C] adjuster until there is
no clearance between the cable bracket and the stopper
when the throttle grip is completely closed. Tighten the
Turn the accelerator cable [D] adjuster until the proper
amount of throttle grip free play is obtained. Tighten the
If the throttle cables can not be adjusted by using the ca-
ble adjusters at the upper end of the throttle cables, use
the cable adjusters at the lower ends of the throttle ca-
First give the throttle grip plenty of play by turning the
adjusters at the grip in fully. Tighten the locknuts.
Turn out both upper nuts [A] and turn in both lower nuts [B]
as far as they will go so as to give the throttle grip plenty
With the throttle grip completely closed, turn out the lower
nut and turn in the upper nut of the decelerator cable until
the inner cable just becomes tight.
Turn out the lower nut and turn in the upper nut of the
accelerator cable until the correct free play is obtained.
Check that the throttle linkage lever stops against the idle
adjusting screw with the throttle grip closed.
Start the engine.
Turn the handlebar from side to side while idling the en-
If idle speed varies, the throttle cable may be poorly
routed or it may be damaged.
Correct any problem before operating the motorcycle.
Operation with an incorrectly routed or improperly
adjusted cables could result in an unsafe riding
2 ∼ 3 mm (0.08 ∼ 0.12 in.)