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FUEL SYSTEM
SERVICE INFORMATION
GENERAL
WARNING
Gasoline is extremely fl ammable and is explosive under
certain conditions. Work in a well ventilated area. Do not
smoke or allow fl ames or sparks in the work area or where
gasoline is stored.
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
lass of consciousness and lead to death.
CAUTION
Do not bend or twist the control cables. Damaged control
cables will not operate smoothly and may stick or bind.
When disassembling the fuel System parts, note the locations
of the O-rings. Replace them with new ones on reassembling.
Before disassembling the carburetor, drain the fuel in the fl oat
chamber by loosening the drain screw.
NOTE
If vehicle is to be stored for more than one month, drain the
fl oat bowls. Fuel left in the fl oat bowls will cause clogged jets
resulting in starting and driveability complaints.
SPECIFICATIONS
Fuel tank capacity
4.6 lit
Fuel reserve capacity 0.35 lit
Throttle grip free play 2-6 mm
Carburetor Specifi cation
Identifi cation number Mikuni VM 12 101 6
Venturi diameter 13 mm
Float level 16.0 mm
Air screw opening 2,5 turns out
Idle speed 1.800 rpm +/- 200 rpm
Main jet #47.5
Main air jet #15
Jet needle 3N15
Needle jet D-7 563
Jet needle setting groove 4th from top
TROUBLESHOOTING
Engine cranks but won’t start
- No fuel in tank
- No fuel to carburetor
- Engine fl ooded with fuel
- Clogged air cleaner
- No spark at plug
Engine idles roughly or runs poorly
- Incorrect idle speed
- Rich mixture
- Lean mixture
- Clogged air cleaner
- Intake air leak
- Fuel contaminated
Lean mixture
- Clogged carburetor jets
- Blocked fuel tank breather hole
- Clogged fuel strainer screen
- Restricted fuel line
- Faulty fl oat valve
- Float level low
Rich mixture
- Choke stuck closed
- Faulty fl oat valve
- Float level too high
- Clogged air jets