HYOSUNG 2010 ST7, Service Manual

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2-9 PERIODIC MAINTENANCE
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 ~ 1.0 mm (0.02 ~ 0.04 in) play on
the throttle cable.
To adjust the throttle cable play :
Hold the motorcycle vertically.
Uncover the protection.
Loosen the lock nut
②
of the returning cable and
fully turn in the adjuster ③
Loosen the lock nut
④
of the throttle cable
Turn the adjuster ⑤ in or out until the throttle cable
play is between 0.5 ~ 1.0 mm (0.02 ~ 0.04 in).
Tighten the lock nut
④
while holding the adjuster
⑤
While holding the throttle grip at the fully closed posi-
tion, slowly turn out the adjuster
③
of the returning
cable until resistance is felt.
Tighten the lock nut ② while holding the adjuster ③
Check free play again.
Cover the protection.
Connect an engine tachometer to the high ten-
sion cord.
Start the engine and inspect the engine idle
speed between specified range.
1,400 1,600 rpm Engine idle speed
0.5 1.0 mm (0.02 ~ 0.04 in) Throttle cable play
ENGINE IDLE SPEED
Inspect Interval
Inspect Initial 1,000 km and Every 6,000 km there-
after.
Inspect Interval
Inspect Initial 1,000 km and Every 6,000 km there-
after.
NOTE
④ ⑤
③
①
②
0.5 ~ 1.0 mm
(0.02 ~ 0.04 in)
Make this inspection when the engine is hot.
CAUTION
Never operate the idle screw to avoid varia-
tions of the carburetion setting.
Engine tachometer : 09900-26006
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.