VESPA 946 E4 EMEA 2021 Manual page 144

Engine
- remove the flat washer and the cup washer.
- remove the stationary half-pulley and the washer.
- disengage the belt.
- remove the complete roller housing.
Inspecting the rollers case
- Check that the internal bushing shown in the fig-
ure is not abnormally worn and measure inner
diameter A.
- Measure outer diameter B of the pulley sliding
bushing shown in the figure.
- Check that the rollers are not damaged or worn.
- Check the sliding shoes for the variator back-
plate are not worn.
- Check the wear of the roller housings and of the
belt facing surfaces on both pulley halves.
ENG - 144
Vespa 946 E4-E5 EMEA-USA-ASIA (2021-)