With the sectional punch, remove the driven pulley
shaft bearing.
Specific tooling
020376Y Adaptor handle
020375Y Adaptor 28 x 30 mm
020363Y 20 mm guide
Inspecting the hub shaft
- Check the three shafts for wear or distortion of
the toothed surfaces, the bearing housings, and
the oil seal housings.
- In case of anomalies, replace the damaged com-
ponents.
Inspecting the hub cover
- Check that the fitting surface is not dented or distorted.
- Check the bearing bearings.
- In case of anomalies, replace the damaged components.
Refitting the wheel axle bearing
Support the hub cover on a wooden surface.
- Heat the cover crankcase with special heat gun.
- Fit the wheel shaft bearing with a modular punch
as shown in the figure.
Specific tooling
020150Y Air heater support
020151Y Air heater
020376Y Adaptor handle
020360Y Adaptor 52 x 55 mm
020483Y 30 mm guide
Runner 125 - 200 Engine
ENG - 143