The front brake discs consist of an inner carrier, which is mounted to the wheel, and an outer rotor. Both parts must be changed together as a pair.
Remove the front wheel (sect. 7 - 1, Removal of the front wheel).
Undo the retaining screws (5) of the disc to the wheel, remove the disc (7) and, on its left side, slide out the phonic wheel (6).

Removal of the front brake system
Overhauling the front brake componentsPassenger grabhandle
Passenger grabhandle (1, fig. 107) Is located inside the tail
guard; to take it out, remove the seat (see "removal of the
seat" on page 119), pull the knob (2, fig. 107) While taking out
the grabhandle (1, fig. 107) From its housing until it is fully
extended.
Warning
Before use, pu ...
Renewal of the cooling fan
Loosen the electro-fan retaining screws (15) and (17) and remove the
electro-fan (18) from the radiator.
Carry out the same procedure for the other radiator's electro-fan.
On refitting, position the coolant radiator fan (18) as shown on the fan support
(16), so that the three fan holes mat ...
Front brake control
Front brake master cylinder
Brake lever
Special screw
Sealing washer
Screw
Phonic wheel
Brake disc
Pin
Left brake calliper
Boot
Bleed valve
Spare stand
Control unit - front callipers pipe
Microswitch
Oil duct union
Screw
Hose clip
Right brake calliper
Speci ...