PIAGGIO Beverly 125 Service Station Manual page 89

Beverly 125
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 CONTACT SURFACE AND MUST NOT BE DIFFER-
ENT 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
- Simultaneously turn and pull the collar manually
to remove it.
N.B.
USE TWO SCREWDRIVERS IF YOU HAVE DIFFICULTY.
N.B.
BE CAREFUL NOT TO PUSH THE SCREW DRIVERS IN
TOO FAR TO AVOID DAMAGE THAT COULD ENDANGER
THE O-RING SEAL.
- Remove the four torque server pins and pull the
pulley halves apart.
Engine
ENG - 89