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 controlDisassembly of the clutch cover
Remove the plug (14) and its o-ring (13), the plug (17) and its o-ring (15)
from the cover.
Undo the fixing screw (16) of the inner cover (19).
Remove the inner cover (6) and soundproofing panel (18).
Remove the circlip (10) and withdraw the shim (9) and the sealing ring (8).
The dri ...
Refitting the external components
Fit the cap (39) on spring (38) until it engages.
Mount ball (40), spring (38) with cap (39), washer (37) and screw (36) on the
chain side half-casing by starting the
screw into hole (f).
Note
The spring (38), with cap (39), must be oriented as shown.
Tighten the screw fully home to a torqu ...
Removal of the generator cover
Note
This operation is described for an engine removed from the frame since all
reassembly procedures are easier with the
engine on the bench.
Disconnect the connector (a) from the generator cable.
Unscrew the two retaining screws (7) of the centre cap (6) over the end of
the cranksh ...