Insert the key in the lock, turn it clockwise and release the seat.
Pull the seat (1) backwards to release it from the front catches and remove it.

Seat
Disassembly of the seatRefitting the rear brake calliper
When replacing the brake pipes (33) or removing one of the rear braking
system components, pay special attention to the
position of the couplings on the pump and the calliper.
Warning
If incorrectly positioned, the hose can affect brake operation and
foul moving parts. Position the hose as sh ...
Refitting the primary drive gears and checking backlash
Fully degrease the crankshaft splined end and the corresponding spline on the
primary drive gear.
Position the spacer (c) onto the crankshaft.
Fit the driving gear (b) onto the crankshaft with the oil pump drive sprocket
facing the crankcase.
Temporarily secure the gear with the was ...
Removal of the rear brake disc
Remove the rear eccentric hub (sec. 7 - 13, Removal of the rear wheel
eccentric hub and rear wheel shaft).
Undo and remove the four fixing screws (13) of the brake disk to the wheel axle
and remove the rear brake disk (14).
Loosen the four screws (24) and remove the rear phonic wheel (25). ...