VESPA 946 E4 EMEA 2021 Manual page 141

Vespa 946 E4-E5 EMEA-USA-ASIA (2021-)
Removing the driven half-pulley bearing
- Remove the retainer ring using two flat blade
screwdrivers.
- Using a hammer and pin, knock the ball bearing
out as shown in the figure.
- Remove the bearing and the rollers with the spe-
cific extractor.
N.B.
REST THE DRIVEN PULLEY ON A WOODEN SURFACE TO
AVOID DAMAGING ITS THREADED BUSHING. ALSO DO
THIS UPON REMOVAL.
Specific tooling
001467Y008 Clamp to extract 17 mm ø bear-
ings
001467Y009 Bell for OD 42-mm bearings
Refitting the driven half-pulley bearing
- Assemble a new roller bearing 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 DRIVEN PULLEY ON A WOODEN SURFACE TO
AVOID DAMAGING ITS THREADED BUSHING. ALSO DO
THIS UPON REMOVAL.
Specific tooling
020424Y Driven pulley roller casing fitting
punch
- 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 Adaptor handle
020439Y 17-mm guide
Engine
ENG - 141