Inspecting The Driven Fixed Half-Pulley - PIAGGIO MSS X9 EVOLUTION 250 Workshop Manual

MSS X9 Evolution 250
- Support the pulley properly using the bell as
shown in the figure.
Specific tooling
001467Y035 Belle for OD 47-mm bearings
- 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 contact 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 - 87