Important
The brake manufacturer advises against any servicing of the internal components of brake callipers or the master cylinder.
Incorrect overhaul of these critical safety components can endanger rider and passenger safety.
Before removing the parts in question, you must first carry out the following operations:

note
For the abs front braking system, also refer to sect. 7 - 5, Abs system operating information, sect. 7 - 6, System components, sect. 7 - 7, Abs components maintenance.
Unscrew and remove the special screw (22) fixing the pipes (33) to the rear brake calliper and the corresponding couplings (23).
Remove tube (33).
Undo the two fixing screws (12) of the rear brake calliper (15) to the calliper holder bracket and remove the brake calliper (15).
If it is necessary to remove the calliper holder bracket (a) refer to sec. 7 - 13, Removal of the rear wheel eccentric hub and rear wheel shaft.
Note
To replace the brake pads follow instructions in the paragraph "checking brake pad wear and changing brake pads" (sec. 4 - 3).
To remove the speed sensor (1), undo the retaining screw (2), having care not to damage the airgap spacer (8) and the washer (32).

Only the following parts should be renewed:
Refer to the exploded view at the beginning of this section for indications on renewal of the above components.
Refitting the rear brake control
Removal of the rear brake discBackground setting function for the instrument panel on tank - dashboard 1
This function allows setting the "background" of the
instrument panel on tank.
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 "back light" function
a ...
Injection relay
Introduction
The fuel pump, injectors and ignition coils are all powered via the injection
relay. The relay also sends voltage to the
engine control unit, which enables activation of the relay itself.
Component assembling position
A injection relay; b etv relay (throttle valve actuator mot ...
Removal of the control unit
Loosen the screws (1) and remove the relay supporting bracket (2), disconnect
the connectors (3) and remove the control
unit (4) from the vehicle.
...