HYOSUNG Comet 250 R User Manual page 57

CARBURETOR
equipped one set of composed the two
carburetors for efficiency increase of the two
cylinder.
The carburetor is factory setting for the
best carburetion.
Do not attempt to alter its setting.
There are two items of adjustment,
however, under your care : engine idle
speed and throttle cable play.
CAUTION
Never adjust " " CO adjust screw " " � � of
carburetor.
If adjust optionally, exert a bad influence
upon output of the engine as the two
carburetor is disharmonious.
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◉ ◉ IDLING SPEED
Start up the engine and let the engine run
until it warms up fully.
After engine has warmed up, turn the
throttle stop screw
engine may run at 1,400~1,500 RPM.
The engine idle speed should be
adjusted with the engine fully warm.
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in or out so that the
CAUTION