Pilot Screw Adjustment - HYOSUNG RX 125 Service Manual

4-9 FUEL SYSTEM
REASSEMBLY
● Install the fuel tube and drain tube.
● Replace a new O-ring at the carburetor outlet
side. Install the carburetor between the intake
pipe and air cleaner outlet tube, tighten the carburetor
lock nut and clamp screw.
● Connect the choke cable and throttle cable.
● Adjust the choke cable.
● Install the throttle valve. (Refer to page 4-4)
● Adjust play of the throttle grip. (Refer to page 2-9)

PILOT SCREW ADJUSTMENT

① Loosen as standard turn back revolutions after
lock the pilot screw suitable.
Standard turn back
revolution of pilot screw
CAUTION
Do not tighten the pilot screw by force, otherwise
can be damaged of the seat.
② Start up the engine and set its speed at any
where between 1,450±100 rpm by turning the
throttle screw �.
③ Adjust the engine speed at hight position as the
pilot screw left-right turning.
④ Repeat again ② - ③.
⑤ Adjust the standard engine idle speed by the
throttle stop screw.
⑥ Look into the change idling revolution with snap
light of continuously. If the idling revolution is
change, repeat the ② - ⑤.
2½ Circle
�
�