Fuel System; Service Information - KYMCO NEXXON 50 Service Manual

4

. FUEL SYSTEM

SERVICE INFORMATION

GENERAL INSTRUCTIONS
Gasoline is very dangerous.
working area.
Gasoline is extremely flammable and is explosive under certain conditions. Be sure to
work in a well-ventilated area.
• 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
reassembly.
• 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.
• The carburetor air jets and fuel jets must be cleaned with compressed air.
• 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
SPECIAL TOOL
Float level gauge
4-2
When working with gasoline, keep sparks and flames away from the
Item
Carburetor type
Venturi dia.
Piston dia
Main jet
Idle speed
Throttle grip free play
Air screw opening
Standard
PIF
φ11
φ13
65#
1700±100rpm
2～6mm
1¾±½
NEXXON 50