TGB BLADE 425 Service Manual page 52

4. FUEL SYSTEM
Remove main jet, needle jet holder, needle jet,
slow jet and air adjustment screw.
Cautions
T ake care not to damage jets and adjust screw.
Before removing adjustment screw, turn it all the
way down and note the number of turns.
● Does not turn adjust screw forcefully to avoid
damaging valve seat face.
Assembly
Install main jet, needle jet holder, needle jet, slow jet
and air adjustment screw.
Cautions
Set the air adjustment screw in according to number
of turns noted before it was removed.
Install the float valve, float, and float pin.
Checking fuel level
Caution
● Check again to ensure float valve, float for proper
installation.
● To ensure correct measurement, position the float
meter in such a way so that float chamber face is
vertical to the main jet.
Fuel level: 31.5±0.5mm
Installation of carburetor
Install carburetor in the reverse order of removal.
Following adjustments must be made after installation.
˙Throttle cable adjustment.
˙Idle adjustment
4-8
Slow jet
Air adjustment jet
Air adjustment screw
Float gauge
Lock nut
Throttle adjustment screw
Main jet
Starter jet
Main jet
Starter jet
Slow jet
Air adjustment screw