APRILIA SCARABEO 500 2008 Service Station Manual page 138

Engine
- Remove the driven pulley shaft bearing from the
engine crankcase using a specific tool.
Specific tooling
020376Y Adaptor handle
020358Y 37 x 40 mm adaptor
020364Y 25-mm guide
Inspecting the hub shaft
- Check the 3 shafts for wear or distortions on the
toothed surfaces, on the bearing housings and the
oil seals.
- If faults are found, replace the damaged parts.
Characteristic
Bearing diameter for transmission shaft:
A = Ø 20 - 0.01 -0.02 mm
Bearing diameter for wheel axle:
ENG - 138
SCARABEO 500