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 controlOverhauling the rear swingarm
Inside the swingarm (8), in correspondence with the pivot point on the frame,
there is a pair of ball bearings (10) and a
spacer (11) on the rh side, and a pair of roller bearings (6), with sealing
rings (5), on the lh side.
To change the bearings, proceed as follows.
Remove the shims ( ...
Absolute pressure sensors
Introduction
The engine control system of the diavel is equipped with two absolute
pressure sensors, with one connected to the intake
duct of each cylinder (map 1 cylinder 1 - horizontal - map 2 cylinder 2 -
vertical). They are used by the control unit to
determine the quantity of fuel to be ...
Removal of the water pump
Note
For clarity, the figures show the engine removed from the frame.
Loosen and remove the water pump cover (12) fixing screws (13) to the
generator cover (16).
Remove the water pump cover (12).
Clean the pump housing of any scale. Check the bearings wear by turning the
impeller s ...