Engine Idle Speed; Throttle Cable Play - HYOSUNG 2010 ST7 Service Manual

2-9 PERIODIC MAINTENANCE

ENGINE IDLE SPEED

Inspect Interval
Inspect Initial 1,000 km and Every 6,000 km there-
after.
NOTE
Make this inspection when the engine is hot.
Connect an engine tachometer to the high ten-
sion cord.
Start the engine and inspect the engine idle
speed between specified range.
Engine idle speed
Engine tachometer : 09900-26006
CAUTION
Never operate the idle screw
tions of the carburetion setting.

THROTTLE CABLE PLAY

Inspect Interval
Inspect Initial 1,000 km and Every 6,000 km there-
after.
This motorcycle has a twin throttle cable system. Cable
is for throttle cable and 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
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.
Throttle cable play
1,400 1,600 rpm
to avoid varia-
is for returning cable.
0.5 1.0 mm (0.02 ~ 0.04 in)
and
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.
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.
①
②
③
④ ⑤
0.5 ~ 1.0 mm
(0.02 ~ 0.04 in)
CAUTION
CAUTION