Check brake pads wear through the inspection hole in the callipers.
Change both pads if friction material thickness of even just one pad is about 1 mm.
Warning
Friction material wear beyond this limit would lead to metal support contact with the brake disc thus compromising braking efficiency, disc integrity and rider safety.

Important
Have the brake pads replaced at a ducati dealer or authorised service centre.

Checking brake and clutch fluid level
Lubricating cables and jointsRemoval of the shock absorber support
Remove the rear brake master cylinder (sect. 7 - 4, Removing of the rear
brake control).
Remove the rear shock absorber (see removal of the rear shock absorber of this
section).
Loosen the screws (2) and (7) and their nuts (35).
Remove the side stand (sect. 7 - 16, Removing of the ...
Removal of the swingarm
Before removing the parts in question, you must first carry out the following
operations:
Remove the rear wheel eccentric hub as described in chapter "removal of the
rear wheel eccentric hub and rear wheel
shaft" of this section.
Loosen screws (7) and remove the hose grommets (13), (15) ...
The immobilizer system
For additional antitheft protection, the motorcycle is
equipped with an immobilizer, an electronic system that
locks the engine automatically whenever the ignition switch
is turned off.
The grip of each ignition key contains an electronic device
that modulates the output signal from a special ...