Inspection Of Carburetor; Assembly Of Carburetor; Idle Setting With An Air-Adjusting Screw - TGB Hornet 50 Service Manual

4-4 REMOVAL AND ASSEMBLY OF CARBURETOR:
Inspection and Assembly of Carburetor

2. Inspection of Carburetor:

A. Inspect and clean the jets and
airway of the carburetor.
Cleaning by compressed air.
B. Check if the float operates normally to
its position.
C. It is forbidden to use metal to remove
dirt appearing on the surface, or it will
cause damage to the surface. Blow
the dirt off by compressed air.
Replace it if necessary .
D. Idle Setting With An Air-Adjusting
Screw
Check that the throttle cable has
about 1mm free play when the position
valve (4) is fully closed. Always adjust
the idle setting with the engine fully
warm.
Screw in the idle-speed screw (2) to
obtain a slightly-higher idling speed
than normal ; then adjust the air-
adjusting screw (1) to obtain the most
even running.
Then unscrew the idle-speed screw
again until you obtain the normal
idling speed. Finally, to obtain the best
engine running, it is worth rechecking
by very carefully readjusting the
air-adjusting screw.

3. Assembly of Carburetor :

A. Install o-ring, washer and spring.
B. Install the idle speed screw (2)and
spring .
C. Install the auto-choke.
D. Place the needle clip(3) at
the 3rd groove of jet needle.
Put into the piston valve
(4) with clamp (5), and press
into their positions.
E. Install the throttle cable and spring.
F. Install the piston valve into
the carburetor according to
the position of groove and fix the cap.
G. Install the carburetor into the engine.
H. Connect the negative pressure hose and
fuel-hose.
I. Insert the terminal of auto- choke to the
cable connector.
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