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 discAdjusting the clutch lever and front brake lever
The clutch lever (1) is fitted with a span adjuster (2) which serves to alter
the distance of the lever from the handlebar.
The lever distance can be adjusted through 10 clicks of the dial (2). Turn
clockwise to increase lever distance. Turn the
adjuster counter clockwise to decrease lever d ...
Overhaul of the gearbox
Check the condition of the front coupling dogs of the gears. They must be in
perfect condition and with no sign of wear on
the edges of the teeth.
The idler gears must rotate freely on their shafts.
When refitting, make sure the circlips are correctly positioned.
Check the needle roller ...
Valves - rocker arms
Closing rocker arm shaft
Opening rocker arm shaft
Opening rocker arm
Closing rocker arm (left)
Valve opening shim
Half rings
Valve closing shim
Sealing ring
Valve guide
Exhaust valve seat
Exhaust valve
Plug
Intake valve seat
Intake valve
Aluminium gasket
Closing ...