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 componentsFrame torque settings
*Dynamic safety-critical point; tightening torque must be within nm +/-5%.
Note
For product specifications and symbols, refer to "product specifications"
(sect. 1 - 2). ...
Removal of the tool tray
To remove the tool tray unit from the lateral footrests, loosen the screws
(40) and remove the splashguard (20).
Undo the screws (15) and remove the cover (16).
Move the wiring branch from the seat (s) on the tool tray.
Loosen the screws (24) to remove the tool tray unit (23) from ...
Indicator air - air temperature
This function shows the external temperature.
Display limits: -39C ÷ +124C
In the event of a sensor fault (-40C,+125C or
disconnected), a string of dashes "- - -" (not flashing) is
displayed and the "engine/vehicle diagnosis - eobd" light
(7, fig. 4) Comes on.
N ...