Fuel System - Sym GTS 250 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 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
To this chapter contents
LM25W
Ø28.8 mm
CVK122B
18.5 mm
# 122
# 38
1500±100 rpm
2~6 mm
2±1/2 turns