PIAGGIO MP3 400 i.e. Service Manual page 296

Suspensions
- Separate the swinging arm on the engine side
from the vehicle side arm.
- Remove the plastic bushings and the internal
spacer shown in the photo.
- Remove the pin connecting the engine swinging
arm - frame swinging arm.
The operations below are described once but ap-
ply to both sides of the swinging arm.
- Remove the internal spacer.
- Using a suitable pin remove the roller casings as
shown in the photographs
- Using an appropriate tool plant new roller cas-
ings, being careful to position the bearings with the
O-rings facing outwards
Specific tooling
020244Y 15-mm diameter punch
Characteristic
Length of the swinging arm tube on the engine
side:
L 140.5 ± 0.7 mm
Frame-side swinging arm plastic bushing
shim:
3.5 ± 0.05 mm
Length of the internal swinging arm spacer on
the frame side:
SUSP - 50
MP3 400 i.e.