- 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, belleville
washer and nut), spread recommended product
on the thread and tighten the nut to the prescribed
torque.
- Avoid half-pulley rotation using a calliper span-
ner.
N.B.
REPLACE THE NUT WITH A NEW ONE AT EVERY REFIT
Specific tooling
020368Y driving pulley lock wrench
Recommended products
Loctite 243 Medium strength threadlock
Medium Loctite 243 threadlock
Locking torques (N*m)
Locking torque 75 to 83
Refitting the transmission cover
- Check that there are 2 centring dowels and that
the sealing gasket for the oil sump on the trans-
mission cover is adequately fitted.
- Replace the cover and tighten the 10 screws to
the specified torque.
- Refit the oil loading cap/bar.
- Refit the steel washer and the driven pulley nut.
- Tighten the nut to the prescribed torque using the
lock wrench and the torque wrench tools.
Vespa LX 125 - 150 i.e. Engine
ENG - 103
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