VESPA GTV 125, Service Station Manual

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- Insert the flywheel cover with bearings on the ap-
propriate tool.
- Insert the shaft together with the mechanical gas-
kets on the bearings.
- With the appropriate punch and socket, insert the
shaft in the bearings and the drive until the end of
stroke of the appropriate tool cannot be seen.
N.B.
CENTRE THE PUNCH CORRECTLY ON THE
ROTOR. PUSH THE SHAFT IN AND CHECK
THAT THE FLYWHEEL COVER ROTATES
SMOOTHLY. FAILURE TO RESPECT THIS
PROCEDURE DAMAGES THE DRIVE.
- Reassemble the rotor cover with a new O-Ring.
-Tighten the 3 fixing screws to the torque below:
N.B.
DO NOT LUBRICATE THE O-RING. FAILURE
TO RESPECT THIS RULE RESULTS IN RING
DISTORTION.
Locking torques (N*m)
Water pump cover screws 3 ÷ 4
Component check
- Check that the rotor does not show abnormal wear or dents;
- Check that the rotor shaft is not rusty;
- Check that there is no rust on the bearing seats or the ceramic seal;
- Check that the drive does not show dents and that it is perfectly integral with the steel hub.
Removal
- Check the water pump if noise in the bearings or liquid leaking from the drainage hole inside the cover
is detected.
-Remove the flywheel cover together with the water pump from the engine.
- Remove the rotor cover by unscrewing the 3 retainers indicated in the figure.
Vespa GTV 125
Cooling system
COOL SYS - 3