4. FUEL SYSTEM
4-2
PRECAUTIONS IN OPERATION
General Information
Warning
Cautions
Specification
Item
LF12W-6/F LF18W-A/W3-H/W5-C
Carburetor diameter 24 mm 25 mm
I.D. number CVK039 CVK066
Fuel level 20.5 mm 20.5 mm
Main injector #105 #108
Idle injector #35 #35
Idle speed 1600±100 rpm 1600±100 rpm
Throttle handle clearance 2~6 mm 2~6 mm
Pilot screw 2 1/4 turns 1 1/2 turns
Torque value
Fuel valve tightening nut: 1.5~2.0Kgf-m
Tool
Special service tools
Vacuum/air pressure pump
General service tool
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.
․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.
To this chapter contents