um CBF 125 - Clutch Specs, Torque, and Troubleshooting

CBF 125 AIR COOLING ENGINE SERVICE MANUAL
RENEGADE SPORT & SCRAMBLER X 125 EFI
56
6.2. Clutch (technical specifications)
Clutch Unit ： mm
Item
Standard Value
Service Limit
Clutch
Clutch Spring Free Length
41.1-41.9
40
Friction Plate Thickness
2.92-3.08
2.6
Flatness of clutch driven plate
0.20
Driven gear inner hole diameter
Φ23.000～φ23.021
φ23.08
Shaft sleeve
Collar diameter
Φ22.960～φ22.975
Φ22.93
Bushing aperture
Φ16.990～φ17.008
φ17.04
The spindle diameter
Φ16.966～φ16.984
Φ16.95
6.3. Tightening torque requirements
Clutch Locking Nut: 45N.m
Crankshaft Locking Nut: 64N.m
Balanced gear locking nut: 45N.m
Five-star plate fastening bolts: 12N.M
Positioning plate fastening Bolts: 12N.M
Clutch lid fastening Bolts: 12N.m
6.4. Troubleshooting
6.4.1. Clutch does not release or not fully release.
• Control arm improper free travel.
• Damaged control arm, declutch bearing or pushing rod.
• Severely deformed drive friction plate of clutch.
• Lock-up of separate shaft sleeve, separate washer and driven gear.
• Severely worn outer case of clutch.
6.4.2. Clutch skids:
• Severely worn friction plates.
• Seizure of clutch mechanism.
• Control arm Improper free travel.
6.4.3. Gearshift becomes difficult and seized.
• Clutch does not disengage thoroughly.
• Gearshift arm bends, deforms and severely wears.
• Fork plate of gearshift arm deforms and doesn’t return; Break of spring of
locating plate.