Specifications

16
Workshop manual RR 4T - 400 - 450 - 525
– Unscrew the four screws 4 and remove the ignition cover with
the related gasket from the crankcase.
– The stator will stay fitted to the cover.
– Push with the clutch retainer removed previously and unscrew
nut 5.
– Remove the clutch retainer.
WARNING: SINCE THE 250 CC MODELS FIT A
LONGER CRANKSHAFT FIXING SCREW, IT IS ES-
SENTIAL TO PUSH WITH THE CLUTCH RETAINER
WHEN UNSCREWING NUT 5, OTHERWISE THE FIXING
SCREW COULD BE BENT AND CAUSE DAMAGE TO THE
CRANKCASE.
Removing the clutch
– Unscrew all clutch cover screws and remove the cover with its
gasket.
– Remove the two centring bushes from the crankcase.
– To prevent the clutch plates from jamming when the clutch
springs are released, loosen the screws following a crosswise
pattern.
– Remove the pressure plate with the screws, spring bracket
and clutch springs.
– Remove thrust head 1.
– Remove all the lined and steel plates from the clutch drum.
– Remove all twelve dragging bushes 2.
– Using a flat chisel, bend up safe-
ty plate 4, fit clutch retainer 5
with six dragging bushes as
shown in the figure and unscrew
nut 6.
NOTE: Do not remove the
clutch retainer as it will be
used later to unscrew the
flywheel nut.
6
4
5
4
4
5
64_Inghilterra_059311 27-12-2007 18:22 Pagina 16