Precautions In Operation; Troubleshooting - Sym Joyride 125 Service Manual

9. V-Belt Drive System

Precautions in Operation

General Information
Drive face, clutch outer, and driven pulley can be serviced on the motorcycle.
Driving belt and driving pulley must be free of grease.
Item
Driving belt width
ID of drive face boss
OD of drive face
OD of roller
ID of clutch outer
Thickness of clutch weight
Free length of driven pulley spring
OD of driven pulley
ID of drive face
Torque value
‧ Driven face nut: 5.0~6.0 kgf-m
‧ Clutch outer nut: 5.0~6.0 kgf-m

Troubleshooting

Engine can be started but motorcycle
can not be moved
1. Worn driving Belt
2. Worn drive face
3. Worn or damaged clutch weight
4. Broken driven pulley
Shudder or misfire when driving
1. Broken clutch weight
2. Worn clutch weight
9-2
To this chapter contents
Standard value (mm)
19.000
27.000~27.021
26.970~26.990
19.950~20.100
130.000~130.200
4.000~4.100
88.300
33.965~33.985
34.000~34.025
Special Service Tools
‧ Clutch spring compressor
‧ Inner bearing puller
‧ Bearing driver
‧ Clutch nut wrench 39 x 41 mm
‧ Universal holder
Insufficient horsepower or poor high
speed performance
1. Worn driving belt
2. Insufficient spring force of driven pulley
3. Worn roller
4. Driven pulley operation un-smoothly
Limit (mm)
17.500
27.060
26.940
19.500
130.500
2.000
83.200
33.940
34.060