HYOSUNG Aquil GV650, Service Manual

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●
Connect an engine tachometer to the high ten-
sion cord.
Start up the engine and set its speed at any-
where 1,300 and 1,500 rpm by turning throttle stop
screw
� .
▣
THROTTLE CABLE PLAY
This motorcycle has a twin throttle cable system. Cable
� is for throttle cable and cable � is for returning cable.
There should be 0.5~1.0mm play on the throttle cable.
To adjust the throttle cable play.
●
Loosen the lock nut ① of the returning cable � and
fully turn in the adjuster
②.
●
Loosen the lock nut ③ of the throttle cable �.
●
Turn the adjuster ④ in or out until the throttle cable
play is between 0.5 ~ 1.0mm (0.02 ~ 0.04 in).
●
Tighten the lock nut ③ while holding the adjuster ④.
●
While holding the throttle grip at the fully closed posi-
tion, slowly turn out the adjuster
②
of the returning
cable � until resistance is felt.
●
Tighten the lock nut ① while holding the adjuster ②.
1,300
�
1,500 rpm Engine idle speed
0.5
�
1.0 mm (0.02 ~ 0.04 in) Throttle cable play
Engine tachometer : 09900-26006
2-9 PERIODIC MAINTENANCE
CAUTION
After the adjustment is completed, check that
throttle grip movement does not raise the
engine idle speed and that the throttle grip
returns smoothly and automatically.
CAUTION
Inadequate throttle cable play can cause engine
speed to rise suddenly when you turn the throttle
grip. This can lead to loss of rider control.
CARBURETOR
◉
IDLE SPEED
Inspect Interval
Inspect Initial 1,000 km and Every 6,000 km.
NOTE
Make this inspection when the engine is hot.
�
④
③
①
②
�
�
0.5~1.0mm
(0.02~0.04 in)