Warning
The brake master cylinder manufacturer advises against servicing the brake master cylinder due to the safety critical nature of this component.
Incorrect overhaul can endanger the rider and passenger.
Maintenance operations on these units are limited to renewal of the following parts: control lever, fluid reservoir assembly and relative fasteners and master cylinder fasteners.

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.
Slide the adjusting rod (18) out of the rear brake master cylinder (16).

Loosen the special screw (22) from the master cylinder (16); slide out the hose (7) and recover the sealing washers (23).
Loosen the rear brake master cylinder (16) retaining screws (19) and remove it from the vehicle.

Undo the fixing pin (9) of the brake lever (6), collecting the spring (4).

Remove the brake lever (6) and collect the pin (9), the washer (3), the bush (10) and the o-ring (11).

Rear brake
Disassembly of the rear brake controlPassive key
Introduction
The passive key (1) is used when the active key is not working correctly or
is not available.
The passive key works as a transponder, and must therefore be placed physically
onto the antenna to work.
The mechanical part (2) of the key is used to open the seat or the tank plug ...
Reassembly of belly fairing
Position the oil cooler shield (7) inserting the tab (a) into the slit (b) in
the electrical components support (s).
Note
On refitting, make sure that the tab (c) remains positioned under the
retainers (d) of the shield (7).
Fit clips (11) on bracket (13) and orient them as shown in the f ...
Oxygen sensors
Introduction
An on-off type oxygen sensor (in normal operating conditions, the voltage
generated by the sensors switches between a
value close to 1v and a value close to 0v) is mounted on each of the exhaust
manifold of the diavel.
Each oxygen sensor has its own internal heater, which recei ...