kymco mo bw 50 Service Manual

. CARBURETOR/FUEL PUMP/

FUEL TANK

12-1

BET & WIN 50

SERVICE INFORMATION

GENERAL INSTRUCTIONS
• When working with gasoline, keep away from sparks and flames..

• Note the locations of O-rings when disassembling and replace them with new ones during

assembly.

• All cables, fuel lines and wires must be routed and secured at correct locations.

• Bleed air from the oil lines whenever they are disconnected.

SPECIFICATIONS

SH10CA(SP)

SH10CA(IT)

SH10CA(GR)

Venturi dia.

14mm

Identification number

PB109_

PB103_

PB118_

Float level

8.6mm

Main jet(Unlimited/limited speed)

#75

#88

Slow jet

#35

Air screw opening

Idle speed

2000±100rpm

Throttle grip free play

2_ 6mm

SPECIAL TOOL
Float level gauge

TROUBLESHOOTING

Engine does not start

Lean mixture

• No fuel in tank

• Clogged fuel jets

• Faulty float valve

• Too much fuel getting to cylinder

• Clogged fuel cap vent

• Float level too low

• Clogged fuel filter

• Clogged air cleaner

• Bent, kinked or restricted fuel line

Engine idles roughly, stalls or runs poorly

Rich mixture

• Incorrect idle speed

• Clogged air cleaner

• Faulty float valve

• Ignition malfunction

• Intake air leaks

• Float level too high

• Compression too low

• Fuel contaminated

• Clogged air jets

• Incorrectly adjusted air screw

• Faulty reed valve

• Incorrect float level

• Clogged fuel jets