APRILIA MSS Mana GT ABS Service Station Manual page 244

Engine
- Remove the roller bearing with the specific tool,
supporting the fixed half-pulley with the bell.
Specific tooling
020376Y Adapter handle
020375Y 28 x30 mm Punch
020483Y 30-mm guide
AP8140180 Extractor for bushings
Inspecting the driven fixed half-pulley
- Check that the belt contact surface is free from
wear.
- Measure the outside diameter of the pulley bush-
ing.
Characteristic
Minimum diameter allowed:
54.91 mm
Standard diameter:
55.00-0.015 -0.035 mm
Inspecting the driven sliding half-pulley
- Check that the belt contact surface is free from
wear.
- Remove the 2 inner sealing rings and the 2 ex-
ternal O-rings.
- Measure the inside diameter of the movable half-
pulley bushing.
Characteristic
Maximum diameter allowed:
55.05 mm
Standard diameter:
55.00 +0.035 0.00 mm
ENG - 244
MSS Mana GT ABS