PIAGGIO MSS X9 EVOLUTION 250 Workshop Manual page 91

MSS X9 Evolution 250
- Apply the clutch fixing nut and tighten it to the
prescribed torque using the special 46x55 wrench.
- Loosen the tool clamp and insert the belt accord-
ing to its direction of rotation.
- Lock the driven pulley again using the specific
tool.
- Preload the clutch return spring with a traction/
rotation combined action and place the belt in the
smaller diameter rolling position.
- Remove the driven pulley /belt unit from the tool.
N.B.
DURING THE SPRING PRELOADING PHASE, BE CARE-
FUL NOT TO DAMAGE THE PLASTIC SPRING STOP AND
THE BUSHING THREADING.
N.B.
FOR DESIGN REASONS, THE NUT IS SLIGHTLY ASYM-
METRIC; THE FLATTEST SURFACE SHOULD BE MOUN-
TED IN CONTACT WITH THE CLUTCH.
Specific tooling
020444Y Tool for fitting/ removing the driven
pulley clutch
020444Y011 adapter ring
020444Y009 46x55 Wrench
Locking torques (N*m)
Nut locking clutch unit on pulley
Refitting the driven pulley
- Reassemble the clutch bell and spacer.
55 ÷ 60 Nm
Engine
ENG - 91