KYMCO Bet & Win 150 User Manual

11. CRANKCASE/CRANKSHAFT
11-2
Bet & Win 1 25/1 50
SERVICE INFORMATION
GENERAL INSTRUCTIONS
• This section covers crankcase separation to service the crankshaft. The engine must be removed
for this operation.
• When separating the crankcase, never use a driver to pry the crankcase mating surfaces apart
forcedly to prevent damaging the mating surfaces.
• When installing the crankcase, do not use an iron hammer to tap it.
• The following parts must be removed before separating the crankcase.
Cylinder head (
!
6-4)
Cylinder/piston (
!
7-3)
Right crankcase cover/drive and driven pulley (
!
8-3)
A.C. generator/starter clutch (
!
10-3)
Rear wheel/rear shock absorber (
!
15-4)
Starter motor (
!
19-3)
Oil pump (
!
4-4)
SPECIFICATIONS
Item
Standard (mm)
Service Limit (mm)
Connecting rod big end side clearance
0.15_ 0.35
0.6
Crankshaft
Connecting rod big end radial clearance
0._ 0.008
0.05
Runout
æ
0.10
TORQUE VALUES
Crankcase bolt 7.8_ 10.8N-m
Cam chain tensioner slipper bolt 7.8_ 11.8N-m
SPECIAL TOOL
Gear remover
TROUBLESHOOTING
Excessive engine noise
• Excessive bearing play
• Excessive crankpin bearing play
• Worn piston pin and piston pin hole

KYMCO Bet & Win 150 Specifications

General

Brand	KYMCO
Model	Bet & Win 150
Category	Scooter
Language	English