kymco mo yup50 Instruction De Maintenance

Page de 7
14
. REAR WHEEL/REAR BRAKE/REAR
SHOCK ABSORBER
14-2
YUP 50
SERVICE INFORMATION
SPECIFICATIONS
Item
Standard (mm)
Service Limit (mm)
Rear wheel rim runout
2.0
Rear brake drum I.D.
110
111
Rear brake lining thickness
4.0
2.0
Rear shock absorber spring free length
235.7
218.7
TORQUE VALUES
Rear axle nut
11.0_
13.0kg-m
Rear shock absorber upper mount bolt 3.5_
4.5kg-m
Rear shock absorber lower mount bolt 2.4_
3.0kg-m
Rear shock absorber lower joint nut
3.5_
4.5kg-m (apply locking agent)
SPECIAL TOOL
Rear shock absorber remover
Rear shock absorber compressor
TROUBLESHOOTING
Rear wheel wobbling
• Bent rim
• Faulty tire
• Axle not tightened properly
Soft rear shock absorber
• Weak shock absorber spring
Poor brake performance
• Brake not adjusted properly
• Contaminated brake linings
• Worn brake linings
• Worn brake shoes at cam contacting area
• Worn brake cam
• Improper engagement between brake arm
and wear indicator plate