Inspecting The Clutch; Pin Retaining Collar - Derbi GP1 50 cc Workshop Manual

- Using a 34 mm socket wrench, remove the clutch locknut.
- Loosen the central screw, unloading the spring of the driven
pulley assembly.
- Separate the components.
Specific tooling
020444Y Driven half pulley spring compressor tool
I I
NSPECTING THE CLUTCH NSPECTING THE CLUTCH
- Check the thickness of the clutch mass friction material.
- The masses must exhibit no traces of lubricants; in that
case, check the driven pulley unit seals.
N.B.
UPON RUNNING-IN, THE MASSES MUST EXHIBIT A CEN-
TRAL CONTACT SURFACE AND MUST NOT BE DIFFERENT
FROM ONE ANOTHER.
DIFFERENT CONDITIONS MAY CAUSE THE CLUTCH TEA-
RING.
CAUTION
DO NOT OPEN THE MASSES USING TOOLS TO PREVENT A
VARIATION IN THE RETURN SPRING LOAD.
Characteristic
Check. Minimum thickness 1mm
P P
IN RETAINING COLLAR IN RETAINING COLLAR
- Remove the collar with the aid of two screw drivers.
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