PIAGGIO NRG POWER PUREJET, Руководство по ремонту, Страница: 72 / 248

• Measure the free length of the mobile driving half-
pulley.
Characteristic
Standard length:
110 mm
Inspecting the clutch spring
- Check that the contrast spring of the driven pulley
does not show signs of deformation
- Measure the free length of the spring
Characteristic
Standard length
118 mm
Minimum length allowed after use
XXXX
Refitting the clutch
- Preassemble the driven pulley group with spring,
sheath and clutch.
- Position the spring with the sheath
- Insert the components in the tool and preload the
spring being careful not to damage the plastic
sheath and the end of the threaded bar.
- Reassemble the nut securing the clutch and tight-
en to the prescribed torque.
CAUTION
SO AS NOT TO DAMAGE THE CLUTCH NUT
USE A SOCKET WRENCH WITH SMALL
CHAMFER.
CAUTION
POSITION THE NON-CHAMFERED SURFACES
OF THE NUT IN CONTACT WITH THE CLUTCH
Locking torques (N*m)
Engine
NRG Power Purejet
ENG - 8