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 componentsClock setting function
This function sets the clock.
To access the function it is necessary to view the "setting" menu page 48, using
button (1, fig. 14) ?"
"or (2, fig. 14) ?""select the "clock"function and
press the reset button
(12, fig. 12) To confirm.
In the follow ...
Removing of the rear wheel
Place the motorcycle on the rear service stand and engage the 1st gear.
Remove the clip (6).
Using a suitable socket wrench, loosen the wheel nut (1).
Fully unscrew the nut (1), then remove the washer (2) and the spacer (3).
Remove the rear wheel from the motorcycle.
...
Checking the frame
Check the dimensions of the frame against the dimensions shown here to
determine whether it needs to be realigned or
renewed.
Important
Damaged frames must be changed, not repaired. Any work carried out on the
frame can give rise to potential danger,
infringing the requirements of ec directi ...