TGB 4. CARBURETOR/ AIR CLEANER
4-1
PRECAUTIONS IN OPERATION .........4-1
TROUBLE DIAGNOSIS........................4-2
CARBURETOR REMOVAL..................4-3
VACUUM CHAMBER ...........................4-3
AIR CUT-OFF VALVE ..........................4-5
AUTO BY-STARTER.......................... 4-6
FLOAT CHAMBER .............................4-7
INSTALLATION OF CARBURETOR ..4-8
IDLE SPEED ADJUSTMENT .............4-8
AIR CLEANER....................................4-9
PRECAUTIONS IN OPERATION
General Information
Warning
Cautions
Specification
Item Specification
Venturi diameter
Φ 6.7 mm / Φ 15.3mm
I.D. number 063c
Fuel level 17.5 mm
Main injector 85#
Idle injector # 32
Idle speed 2200±100 rpm
Fuel quantity
adjustment screw
1 3/4±3/4 turns
Torque value
Fuel valve tightening nut: 1.5~2.0 Kgf-m
Tool
Special service tools
Vacuum/air pressure pump
General service tools
Fuel level gauge
Gasoline is a low ignition point and explosive materials, so always work in a well-ventilated
place and strictly prohibit flame when working with gasoline.
z Do not bend or twist throttle valve cable. Damaged cable will make unstable drivability.
z When disassembling fuel system parts, pay attention to O-ring position, replace with new
one as re-assembly
z There is a drain screw in the float chamber for draining residual gasoline.
z Do not disassemble automatic by-starter and air cut-off valve arbitrarily.
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