kymco mo movie125150 Manual Do Serviço

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5
. FUEL SYSTEM
5-1
SERVICE INFORMATION
GENERAL INSTRUCTIONS
• When disassembling the carburetor, be sure to service the vacuum piston and float chamber.
• Do not bend or twist control cables.  Damaged control cables will not operate smoothly.
• When disassembling fuel system parts, note the locations of O-rings.  Replace them with new
ones during assembly.
• Before float chamber disassembly, loosen the drain screw to drain the residual gasoline into a
clean container.
• After the carburetor is removed, plug the intake manifold side with a clean shop towel to prevent
foreign matters from entering.
• Remove the vacuum diaphragm before cleaning the carburetor air and fuel passages with
compressed air to avoid damaging the vacuum diaphragm.
• When the motorcycle is not used for over one month, drain the residual gasoline from the float
chamber to avoid erratic idling and clogged slow jet due to deteriorated fuel.
SPECIFICATIONS
Item
Standard
Venturi dia. (mm)
22.1
Identification number
VE020B
Float level (mm)
18.5
Main jet
#110
Slow jet
#35
Idle speed
1700±100rpm
Throttle grip free play
2_
6mm
Pilot screw opening
1
/
2
SPECIAL TOOL
Float level gauge
SERVICE INFORMATION......................5-1
CARBURETOR INSTALLATION........5- 9
TROUBLESHOOTING.............................5-1
PILOT SCREW ADJUSTMENT ...........5-10
CARBURETOR REMOVAL....................5-2
FUEL TANK...........................................5-10
AUTO BYSTARTER ................................5-3
AUTO FUEL VALVE.............................5-11
AIR CUT-OFF VALVE.............................5-5
FUEL UNIT.............................................5-12
VACUUM  CHAMBER.............................5-5
AIR CLEANER .......................................5-12
FLOAT  CHAMBER..................................5-6
Gasoline is very dangerous.  When working with gasoline, keep sparks and flames away
from the working area.
Gasoline is extremely flammable and is explosive under certain conditions.  Be sure to
work in a well-ventilated area.