PIAGGIO Vespa LX 150 4T Euro 3 Service Station Manual page 98

Engine
- Check the guide shoes for the variator back-plate
are not worn.
- Check there is no wear in the roller housing, and
the surfaces in contact with the belt on either of the
pulley halves.
Refitting the driving pulley
- Reassemble the parts of the unit (internal lining,
fixed half-pulley, external lining, drive and nut),
spread threadlock on the thread and screw the nut
to the prescribed torque.
-Avoid the half-pulley rotation using a calliper
spanner
N.B.
REPLACE THE NUT WITH A NEW ONE AT EV-
ERY REFIT
Specific tooling
020368Y driving pulley lock wrench
Recommended products
Loctite 243 Medium strength threadlock
Loctite 243 medium-strength threadlock
Locking torques (N*m)
Locking torque 75 ÷ 83
ENG - 14
Vespa LX 125 - 150 4T Euro 3