APRILIA MSS Mana GT ABS Service Station Manual page 242

Engine
- Screw until the clutch is completely disassem-
bled.
Inspecting the clutch
- Check the thickness of the clutch mass friction material.
Characteristic
Minimum thickness allowed:
1 mm
- The masses must not show traces of lubricants. If they do, check the driven pulley unit seals.
NOTE
UPON RUNNING-IN, THE MASSES MUST EXHIBIT A CENTRAL FAYING SURFACE AND MUST
NOT BE DIFFERENT FROM ONE ANOTHER. DIFFERENT CONDITIONS MAY CAUSE CLUTCH
TEARING.
- To avoid variation in the return spring load, do not
use any tool to open the masses.
Pin retaining collar
- Slide off the collar with the aid of 2 screwdrivers.
ENG - 242
MSS Mana GT ABS