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3. Fuel System
Precautions in Operation
General Information
Warning
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.
Caution
z Do not bend off throttle cable. Damaged throttle cable will make unstable drive-ability.
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 air cut valve arbitrarily.
Specification
Item Specification
Carburetor diameter Ø 35 mm
I.D. number PTG043B
Fuel level 14.8 mm
Main injector # 98
Idle injector # 35
Idle speed 1500±100 rpm
Throttle handle clearance 2~6 mm
Pilot screw 1 1/2 turns
Torque Value:
Carburetor holding nut: 0.7~1.1kgf-m
Special service tools
Vacuum/air pressure pump
General Tool
Float Chamber fuel level gauge
3-2
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