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 discDashboard
Note
The dashboard is supplied as a single component; its internal components
cannot be renewed separately.
Important
Whenever the dashboard is renewed, the ignition key programming procedure
must be repeated.
Loosen the nuts (2) to remove the master dashboard (1) from its seat and
disconn ...
Oil pump
Complete oil pump assembly
O-ring
Circlip
O-ring
Pump body
Circlip
Reducer bush
Spring washer
Screw
Screw
Spring washer
Pump drive gear
Key
By-pass plug
Locating bush
By-pass spring
By-pass valve
Spare parts catalogue
Diavel abs filters and oil pump
Diavel ...
Refitting the brake disks
Before refitting the brake disc to the wheel, clean all contact surfaces
thoroughly and smear a medium strength
threadlocker on the threads of retaining screws (5).
Operating on the left side, fit the phonic wheel (6).
Tighten the fixing screws (5) of the brake disk (7) to the wheel followi ...