VESPA 150, Service Station Manual

Page: 131 / 249

Inspecting the driven fixed half-pulley
- Measure the outside diameter of the pulley bush-
ing.
Characteristic
Standard diameter:
Ø 40.1 ± 0.05 mm
Refitting the driven half-pulley bearing
- Fit the new roller bearing using the specific
punch, fit the bearing with the label facing outward
and insert it completely up to the punch stop on the
half-pulley.
N.B.
REST THE HALF-PULLEY ON A WOODEN SURFACE TO
AVOID DAMAGING ITS THREADED BUSHING. ALSO DO
THIS UPON REMOVAL.
Specific tooling
020424Y Punch for fitting driven pulley roller
casing
- To assemble the new ball bearing, insert it fully
down in its seat with the specific punch and finally
fit the seeger ring.
Specific tooling
020375Y 28 x 30 mm adaptor
020376Y Adapter handle
020439Y 17 mm guide
Vespa Primavera125 - 150 i.e. 3Valvole (2013)
Engine
ENG - 131