PIAGGIO 633929(IT) Service Station Manual page 222

Suspensions
- Check the entire swinging arm assembly.
- Check all the centring bushing components and
silent block rubber buffers.
- Replace the work components that cause exces-
sive clearance on the rear suspension.
Overhaul
- Check there is no sticking in the movement of the
connection of the swinging arm on the engine side
to the swinging arm on the frame side.
- Check the axial clearance between the two
swinging arms using a feeler gauge
Characteristic
Standard clearance
0.40 ÷ 0.60 mm
Allowable limit after use:
1.5 mm
- To check the clearance on the frame-side arm,
mount the retainer using the pin fixing the swinging
arm to the frame and two adaptor rings of the ap-
propriate tool 020229Y. Alternatively use two
washers with inner diameter for 12-mm pins, min.
outer diameter: 30 mm: min. thickness: 4 mm.
- Check there is no sticking in the rotation.
- Check the axial clearance of the swinging arm on
the frame side
Characteristic
Standard clearance
0.40 ÷ 0.60 mm
Allowable limit after use:
1.5 mm
SUSP - 50
MP3 125