VESPA LX 150 4T Euro 3 Service Station Manual page 82

Engine
020263Y Driven pulley assembly sheath
Recommended products
AGIP GREASE SM 2 Gray black smooth-tex-
tured lithium grease, containing molybdenum
disulphide.
-
Inspecting the clutch spring
- Measure the length of the spring when it is re-
laxed.
Characteristic
Standard length:
106 mm
Refitting 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.
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 SO AS TO
PREVENT A VARIATION IN THE RETURN SPRING LOAD.
Characteristic
Minimum thickness permitted:
1 mm
ENG - 82
Vespa LX 125 - 150 4T Euro 3