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).
The brake disc must be perfectly clean, with no rust, oil, grease or other dirt and no deep scoring.
To check the wear limit of the brake disk refer to sec. 3 - 1.1, Hydraulic brakes.
Place the rear brake disc (14) on the rear wheel shaft (26), by orienting the bevelled edges (s) faced upwards.
Fix the disc by starting the screws (13) with prescribed threadlocker.
Note
Make sure to centre the screw heads in the relevant seats on the brake discs.
Tighten the screws (13) to a torque of 27 nm +/- 10% (sect. 3 - 3, Frame torque settings), in the sequence 1-2-3-4.
Position the phonic wheel (25) on the brake disc (14) by orienting it as shown in figure.
Fix the phonic wheel (25) by starting the screws (24) with the recommended threadlocker.
Tighten the screws (24) to a torque of 5 nm +/- 10% in a crossed-pattern sequence.
Refit the rear eccentric hub as described in sec. 7 - 13, Removal of the rear wheel eccentric hub and rear wheel shaft.


Removal of the rear brake calliper
Refitting the rear brake calliperReassembly of the crankcase halves
The crankcase halves must be in good condition and perfectly clean. The
mating surfaces must be perfectly flat and free
from burrs.
Overhauling the alternator-side crankcase half
The following parts must be present on the internal side of the crankcase
half:
Gearbox secondary shaft bearin ...
Valves - rocker arms
Closing rocker arm shaft
Opening rocker arm shaft
Opening rocker arm
Closing rocker arm (left)
Valve opening shim
Half rings
Valve closing shim
Sealing ring
Valve guide
Exhaust valve seat
Exhaust valve
Plug
Intake valve seat
Intake valve
Aluminium gasket
Closing ...
Removing outer components
Note
The following removal operations are required in order to renew and/or
clean the crankcase halves. If the original
crankcase halves are to be reused, then the removal of these components is not
essential.
Unscrew the screw (17) and remove the oil breather valve (1) with the o-rings
...