PIAGGIO MSS X9 EVOLUTION 250 - Removing the driven half-pulley bearing

Check minimum thickness
1 mm
Pin retaining collar
- Simultaneously turn and pull the collar manually
to remove it.
N.B.
USE TWO SCREWDRIVERS IF YOU HAVE DIFFICULTY.
N.B.
BE CAREFUL NOT TO PUSH THE SCREW DRIVERS IN
TOO FAR TO AVOID DAMAGE THAT COULD ENDANGER
THE O-RING SEAL.
- Remove the four torque server pins and pull the pulley halves apart.
Removing the driven half-pulley bearing
- Check there are no signs of wear and/or noisi-
ness; - Replace with a new one if there are.
- Remove the retaining ring using two flat blade
screwdrivers.
- Support the pulley bushing adequately from the
threaded side using a wooden surface.
- Using a hammer and pin, knock the ball bearing
out as shown in the figure.
Engine MSS X9 Evolution 250
ENG - 86