PIAGGIO NRG POWER PUREJET, Workshop Manual, Page: 68 / 248

Removing the clutch
- Equip the tool with long pins screwed into position
« A » from the outside, insert the entire driven pulley
in the tool and put the central screw under stress.
CAUTION
THE TOOL WILL BE DEFORMED IF THE CEN-
TRAL SCREW IS TIGHTENED UP TOO FAR.
- Using a 34 mm socket wrench remove the clutch
locking nut.
- Loosen the central screw thereby undoing the
driven pulley unit
- Separate the components.
Specific tooling
020444Y Tool for fitting/ removing the driven
pulley clutch
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 EX-
HIBIT A CENTRAL CONTACT SURFACE AND
MUST NOT BE DIFFERENT FROM ONE AN-
OTHER.
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
Engine
NRG Power Purejet
ENG - 4