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).
Checking protection and safety device components
Checking the side stand switch
Remove the switch (1) from the side stand undoing screw (2) and disconnect
the main wiring connector from the switch
(see paragraph "routing of wiring on frame", sect. 6 - 1).
Use an analogue or digital multimeter (sect. 6 - 11, Using a multimeter to check
the ...
Horn not working
Fault codes
Dds: horn diagnosis -> short circuit to ground (s.C. Gnd).
Dashboard: the error "claxon" (horn) is shown on the service display. The eobd
warning light activates.
Wiring diagram
Db dashboard connection, s horn button. 5 Blue/white - b/w, 1 red/blue - r/b,
db 19 purple/bl ...
Overhauling the front wheel
Wheel bearings
Before checking the dimensions, check the wear on wheel bearings. Check for
wear by hand after cleaning and degreasing
the bearings in their seats.
Turn the inner race.
Check the amount of radial and axial play. Excessive play will cause vibration
and make the bike unstabl ...