VESPA GTV 250 i.e. 2008 Service Station Manual page 97

Vespa GTV 250 i.e.
- Support the pulley properly using the bell as
shown in the figure.
Specific tooling
001467Y035 Bearing housing, external ø 47
mm
- Remove the roller bearing using the modular punch.
Specific tooling
020376Y Adaptor handle
020456Y Ø 24 mm adaptor
020363Y 20-mm guide
Inspecting the driven fixed half-pulley
Version 250
- Measure the outside diameter of the pulley bush-
ing.
- Check the faying surface with the belt to make
sure there are no flaws.
- Check the riveted joints are functional.
- Check the evenness of the belt contact surface.
Characteristic
Half-pulley minimum diameter
Minimum admissible diameter: Ø 40.96 mm
Half-pulley standard diameter
Standard diameter: Ø 40.985 mm
Wear limit
0.3 mm
Engine
ENG - 97