PIAGGIO Liberty 125, Workshop Manual, Page: 71 / 212

Inspecting the driven fixed half-pulley
- Measure the external diameter of the pulley bush-
ing.
Characteristic
Minimum diameter permitted
Ø 40.96 mm
Standard diameter
Ø 40.965 mm
Inspecting the driven sliding half-pulley
- Remove the 2 inner sealing rings and the two O-
rings.
- Measure the inside diameter of the mobile half-
pulley bushing.
Characteristic
Minimum admissible diameter
Ø 41.08 mm
Standard diameter
Ø 41.035 mm
Refitting the driven half-pulley bearing
- Assemble a new roller case using the specific
punch, fit the bearing with the label facing outward
and insert it completely up to the punch on the half-
pulley.
N.B.
REST THE HALF-PULLEY ON A WOOD SURFACE TO
AVOID DAMAGING THE THREADED RINGLET OF THE
DRIVEN PULLEY UPON REMOVING IT.
Specific tooling
020424Y Driven pulley roller casing fitting
punch
Liberty 125 - 200 4tempi
Engine
ENG - 71