Warning
The brake master cylinder manufacturer advises against servicing the brake master cylinder due to the safety critical nature of this component. Incorrect overhaul of these critical safety components can endanger rider and passenger safety.
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.
Undo the special screw (3), collect the sealing washers (4), and release the front brake master cylinder assembly (1) from the pipe.

Loosen the screws securing the terminal (12) and then remove the front brake master cylinder assembly (1) from the handlebar.

For disassembly of components of the master cylinder assembly (1), refer to the exploded view at the beginning of this chapter.
Front brake control
Refitting the front brake master cylinderIndicating devices
Checking the indicating devices
In the event of a fault, the internal connections of the device must be
checked in all operating conditions. To do this, it is
necessary to disconnect the switch connector from the main wiring harness (sect.
6 - 1, Routing of wiring on frame).
Then analyse th ...
Noise and exhaust emission control
system information
Source of emissions
The combustion process produces carbon monoxide and
hydrocarbons. Control of hydrocarbons is very important
because under certain conditions, they react to form
photochemical smog when subjected to sunlight.
Carbon monoxide does not react in the same way, but is
toxic. Duca ...
Indication of range reached for service
When service coupon threshold is achieved, upon every key-
on the system displays the indication of the type of
intervention that is required (oil service or desmo
service).
The (red) warning is activated as a large icon for 10 seconds
upon every key-on (1, fig. 33) Then as a small warning th ...