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 componentsCheck the idle and the co amount with warm engine
Start the engine;
Switch on the dds and check that it does not signal any error (otherwise
consult the relevant paragraph of this manual
to reset the error and proceed with the idle check);
Enter the "self diagnosis" menu by selecting the diavel model in the
available vehicle version. ...
Stored lap display function
This function displays the stored laps.
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 "lap" function and
press the reset button
(12, fig. 12) To go to next pag ...
Digital rpm indication function
This function displays the number of rpms for improved accuracy when setting
idle rpm.
To access the function it is necessary to view the ""setting" menu", using
buttons (1) "s" or (2) "t" select the "rpm"
function and press the reset button (3) to confirm.
The display shows the numerical v ...