16. REAR BRAKE/REAR FORK/REAR
WHEEL/REAR SHOCK ABSORBER K-XCT 125i
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)
Rear brake disk thickness 4.9~5.1
Rear brake caliper piston O.D. 25.33~25.36
Rear brake caliper cylinder I.D. 25.4~25.45
Rear brake master cylinder I.D. 12.7~12.74
Rear brake master cylinder piston O.D. 12.65~12.68
TORQUE VALUES
Exhaust muffler lock bolt 35 N-m/3.5 kgf-m
Exhaust muffler pipe nut 20 N-m/2 kgf-m
Rear axle nut 120 N-m/12 kgf-m
Rear shock absorber lower mount bolt 40N-m/4 kgf-m
Rear shock absorber upper mount bolt 40N-m/4 kgf-m
Rear brake caliper holder bolt 27 N-m/2.7 kgf-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 Unequal worn brake caliper
Rear wheel noise
Worn rear wheel axle bearings
Worn rear fork bearings
Deformed rear fork
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