kymco mo zx50 Instruction De Maintenance
8
. KICK STARTER/DRIVE PULLEY/
CLUTCH/DRIVEN PULLEY
8-2
ZX / SCOUT 50
SERVICE INFORMATION
GENERAL INSTRUCTIONS
• Avoid getting grease and oil on the drive belt and pulley faces.
SPECIFICATIONS
SC10AS
Item
Standard (mm) Service Limit (mm)
Drive pulley collar O.D.
20.01
_
20.02
5
24.24
Movable drive face I.D.
20.035
_
20.0
85
19.97
Weight roller O.D.
13.0
12.4
Clutch outer I.D.
107
_
107.2
107.5
Driven face spring free length
87.9
82.6
Driven face O.D.
33.965
_
33.9
85
33.94
Movable driven face I.D.
34.0
_
34.25
34.06
Drive belt width
18
17
TORQUE VALUES
Drive face nut
Drive face nut
3.5_
4.0kg-m
Clutch outer nut
3.5_
4.5kg-m
Clutch drive plate nut
5.0_
6.0kg-m
SPECIAL TOOLS
Lock nut wrench, 39mm
Lock nut wrench, 39mm
Universal holder
Clutch spring compressor
Lock nut socket wrench, 32mm
Bearing outer driver 37x40mm
Bearing driver pilot, 17mm
One-way clutch puller
Outer driver, 24x26mm
TROUBLESHOOTING
Poor performance at high speed or
Engine starts but motorcycle won‘t move
lack of power
• Worn drive belt
• Worn drive belt
• Broken ramp plate
• Weak driven face spring
• Worn or damaged clutch lining
• Worn weight roller
• Faulty driven face
• Faulty driven face
Engine stalls or motorcycle creeps
• Broken clutch weight spring
• Broken clutch weight spring