Rear Wheel Wobbling; Soft Rear Shock Absorber; Rear Wheel Noise; Service Information - KYMCO SUPER 9 50 Service Manual

14
. REAR BRAKE/REAR FORK/REAR
WHEEL/REAR SHOCK ABSORBER

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
Rear wheel rim runout
Rear shock absorber spring free length
Rear brake drum I.D.
Rear brake disk/ lining thickness
Rear brake disk runout
Rear brake master cylinder I.D.
Rear brake master cylinder piston O.D.
Rear brake caliper cylinder I.D.
Rear brake caliper piston O.D.
TORQUE VALUES
Exhaust muffler lock bolt
Rear axle nut
Rear shock absorber lower mount bolt 19.6～29.4N-m
Rear shock absorber upper mount bolt 39.2N-m
Rear damper lock nut
Rear brake caliper bolt

TROUBLESHOOTING

Rear wheel wobbling

• Bent rim
• Faulty tire
• Axle not tightened properly

Soft rear shock absorber

• Weak shock absorber spring
• Damper oil leaks

Rear wheel noise

• Worn rear wheel axle bearings
• Worn rear fork bearings
• Deformed rear fork
14-1
Item
29.4～39.2N-m
78.4～98.0N-m
14.7～24.5N-m
(apply locking agent)
19.6～29.4N-m
Standard (mm)
⎯
214.7
110
3.5～3.8/4.0
⎯
12.700～12.743
12.657～12.684
33.895～33.928
33.960～34.010
SPECIAL TOOLS
Rear shock absorber remover
Shock absorber spring compressor
Poor brake performance
• Air in brake system
• Deteriorated brake fluid
• Contaminated brake pad surface
• Worn brake pads
• Clogged brake fluid line
• Deformed brake disk
• Unevenly worn brake caliper
SUPER 9 50
Service Limit (mm)
2.0
197.7
111
3.0/2.0
0.30
12.755
12.645
33.860
34.045