Kymco MO BW 50 Service Manual - chap 14 (ruota freno sps post)
14. REAR BRAKE/REAR FORK/REAR
WHEEL/REAR SHOCK ABSORBER
14-0
BET & WIN 5 0
14
__________________________________________________________________________________
__________________________________________________________________________________
__________________________________________________________________________________
__________________________________________________________________________________
__________________________________________________________________________________
REAR BRAKE/REAR BRAKE DRUN/
REAR SHOCK ABSORBER
__________________________________________________________________________________
SERVICE INFORMATION -------------------------------------------- 14-1
TROUBLESHOOTING ------------------------------------------------- 14-1
REAR WHEEL ---------------------------------------------------------- 14-2
REAR BRAKE DRUM -------------------------------------------------- 14-3
REAR SHOCK ABSORBER-------------------------------------------- 14-5
14
14. REAR BRAKE/REAR FORK/REAR
WHEEL/REAR SHOCK ABSORBER
14-1
BET & WIN 5 0
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 shock absorber spring free length
214.7
197.7
Rear brake drum I.D.
110
111
Rear brake disk/ lining thickness
3.5_ 3.8/4.0
3.0/2.0
Rear brake disk runout
0.30
Rear brake master cylinder I.D.
12.700_ 12.743
12.755
Rear brake master cylinder piston O.D.
12.657_ 12.684
12.645
Rear brake caliper cylinder I.D.
33.895_ 33.928
33.860
Rear brake caliper piston O.D.
33.960_ 34.010
34.045
TORQUE VALUES SPECIAL TOOLS
Exhaust muffler lock bolt 29.4_ 39.2N-m Rear shock absorber remover
Rear axle nut 78.4_ 98.0N-m Shock absorber spring compressor
Rear shock absorber lower mount bolt 19.6_ 29.4N-m
Rear shock absorber upper mount bolt 39.2N-m
Rear damper lock nut 14.7_ 24.5N-m
(apply locking agent)
Rear brake caliper bolt 19.6_ 29.4N-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
14. REAR BRAKE/REAR FORK/REAR
WHEEL/REAR SHOCK ABSORBER
14-2
BET & WIN 5 0
REAR WHEEL
REMOVAL
Remove the exhaust muffler. (2-6)
Remove the rear axle nut to remove the rear
wheel.
INSPECTION
Measure the rear wheel rim runout.
Service Limits:
Radial: 2.0mm replace if over
Axial: 2.0mm replace if over
INSTALLATION
Install the rear wheel and apply SAE30#
engine oil to the axle threads. Then, tighten
the rear axle nut.
Torque values:
Rear axle nut: 107.8_ 127.4N-m
Rear Axle Nut
Rear Axle Nut
Loading...