Precautions In Operation; Fuel System - Sym HD 125 Service Manual

4. 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.
Cautions
Do not bend off throttle cable. Damaged throttle cable will make unstable drive-ability.
When disassembling fuel system parts, pay attention to O-ring position, replace with new one as
re-assembly
There is a drain screw in the float chamber for draining residual gasoline.
Do not disassemble auto by-starter and air cut valve arbitrarily.
Specification
ITEM
Carburetor diameter
I.D. number
Fuel level
Main injector
Idle injector
Idle speed
Throttle handle clearance
Pilot screw
Tool
Special service tools
Vacuum/air pressure pump
Fuel level gauge
4-2
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LH12W-6
24 mm
CVK039
20.5 mm
#105
#35
1600±100 rpm
2~6 mm
2 1/4 turns
LH18W-6
25 mm
CVK066
20.5 mm
#108
#35
1600±100 rpm
2~6 mm
1 1/2 turns