4-1
Fuel System
Item Specifications
Setting Mark VL125 B
Main Jet #102
Slow Jet #38
Jet Needle Clip Second
Float Level 19mm
Pilot Screw Initial Opening 2
Idle Speed 1,400100(rpm)
Throttle Grip Free Play 2~6mm
Service Information
General
Gasoline is extremely flammable and is explosive under certain conditions.
Work in a well ventilated area with the engine stopped. Do not smoke or allow flames or sparks in the
area where gasoline is drained or stored and where the fuel tank is refuelled.
If the engine must be running to do some work, make sure the area is well ventilated.
Never run the engine in an enclosed area. The exhaust contains poisonous carbon monoxide gas that
may cause loss of consciousness and lead to death. Run the engine in an open area or with an
exhausted evacuation system in an enclosed area.
Bending or twisting the control cables will impair smooth operation and may cause the cables stick or
blind to result in loss of vehicle control.
When disassembling fuel system parts, note the locations of the O-rings.
Replace them with new ones on assembly.
The float bowls have drain screws that can be loosened to drain residual gasoline.
Specifications
Fuel Tank Capacity 17.3 Reserve Fuel Capacity 2.9
If the vehicle is to be stored for more than one month, drain the float chambers. Fuel left in the float
chambers may cause clogged jet to result in hard starting or poor drive ability
4. Fuel System
Service Information
…………………4-1
Troubleshooting ………………………4-2
Fuel Tank ………………………………4-3
Air Cleaner Case ………………………4-4
Throttle Valve …………………………4-5
Carburetor………………………………4-6
Accelerator Adjustment ……………4-11
Carburetor Specifications
4
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WARNING
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NOTE
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CAUTION
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