PIAGGIO ZIP 4T - Inspecting the Clutch; Pin Retaining Collar

Inspecting the clutch
- Check the thickness of the clutch mass friction
material.
- The masses must not show traces of lubricants;
otherwise, check the driven pulley unit seals.
N.B.
UPON RUNNING-IN, THE MASSES MUST EXHIBIT A CEN-
TRAL FAYING SURFACE AND MUST NOT BE DIFFERENT
FROM ONE ANOTHER.
VARIOUS CONDITIONS CAN CAUSE THE CLUTCH TO
TEAR.
CAUTION
DO NOT OPEN THE MASSES USING TOOLS TO PREVENT
A VARIATION IN THE RETURN SPRING LOAD.
Characteristic
Check minimum thickness
1 mm
Pin retaining collar
- Remove the collar with the aid of 2 screwdrivers.
- Remove the three guide pins and the mobile half
pulley.
MSS ZIP 100 4T Engine
ENG - 69