PIAGGIO 633823 Service Station Manual page 211

MP3 250 i.e.
Suspensions
Remove the arm coupling retainers from the par-
allelogram by loosening the retainers indicated.
For easy refitting operations, remember to take
note of the positions of the components.
Separate the half-arms by hitting slightly with a
wooden mallet where possible alternatively to the
left and right side of the parallelogram.
Remove the headstocks.
SUSP - 13