quannon 125 Workshop-manual : Page 126

          12. REAR BRAKE/REAR FORK/REAR
    WHEEL/REAR SHOCK ABSORBER                                               QUANNON 125


 SERVICE INFORMATION
 GENERAL INSTRUCTIONS
 · When performing the services stated in this section, the engine and exhaust muffler must be cold
   to avoid scalding.
 · During servicing, keep oil or grease off the brake pads and brake disk.

 SPECIFICATIONS
                      Item                          Standard (mm)         Service Limit (mm)
 Rear wheel rim runout                                                            2.0
 Rear brake disk thickness                               4.0                    3.0
 Rear brake disk runout                                                          0.30




 TORQUE VALUES
 Rear fork pivot nut                                    5.57.0 kg-m
 Rear axle nut                                          8.010.0 kg-m
 Rear shock absorber lower mount bolt                   3.04.0 kg-m
 Rear shock absorber upper mount bolt                   3.04.0 kg-m
 Rear brake caliper holder bolt                         2.43.0 kg-m

 TROUBLESHOOTING
 Rear wheel wobbling                               Poor brake performance
 · Bent rim                                        · Air in brake system
 · Faulty tire                                     · Deteriorated brake fluid
 · Axle not tightened properly                     · Contaminated brake pad surface
                                                   · Worn brake pads
 Soft rear shock absorber                          · Clogged brake fluid line
 · Weak shock absorber spring                      · Deformed brake disk
 · Damper oil leaks                                · Unevenly worn brake caliper

 Rear wheel noise
 · Worn rear wheel axle bearings
 · Worn rear fork bearings
 · Deformed rear fork




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