APRILIA Atlantic 300 Service Station Manual page 114

Engine
Removing the driven pulley shaft bearing
- Should the driven pulley shaft, its bearing and oil
guard be removed, take out the transmission cover
and the clutch assembly as described above.
- Extract the driven pulley shaft from its bearing.
- Remove the oil guard using a screwdriver; work-
ing from inside the bearing and being careful not
to damage the housing, make it come out on the
belt transmission side.
- Remove the seeger ring indicated in the figure.
- Remove the driven pulley shaft bearing.
Specific tooling
020376Y Adapter handle
020375Y 28x30 mm punch
020363Y Crankshaft oil seal punch D 20 mm
Inspecting the hub shaft
- Check the three shafts for wear or distortions on
the toothed surfaces, on the bearing housings and
the oil seal positions.
- In faults are found, replace the damaged parts.
Inspecting the hub cover
- Check that the coupling surfaces are not dented or distorted.
- Check the capacity of both the bearings and the wheel oil seal.
ENG - 114
ATLANTIC 300 i.e.