Warning
The clutch master cylinder manufacturer advises against servicing of the clutch master cylinder (1) due to the safetycritical nature of this component. Incorrect overhaul of this component could endanger rider safety.
Maintenance operations of the master cylinder are limited to replacing the following parts: control lever, reservoir unit, and master cylinder fasteners.

Loosen the special screw (1) by collecting the seals (2), to release the clutch master cylinder assembly (3) from the clutch control pipe (4).

Undo the fixing screws (v) of the mounting u-bolt (6) and then remove the clutch master cylinder unit (3) from the handlebar.

Refer to the exploded view at the beginning of this section for indications on disassembly and replacement of the master cylinder components.
Hydraulic clutch control
Refitting the clutch master cylinder assemblyRefitting the intake manifold and coolant union
Apply prescribed threadlocker to the fitting (12), start it with seal (24)
and tighten it to a torque of 2.5 Nm (min. 2 Nm -
max. 3 Nm) (sect. 3 - 3, Frame torque settings).
Install the pipe (b) and tighten the clamp (a) to the torque of 1 nm +/- 10%
(sect. 3 - 3, Engine torque settings).
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Warranty
In your own interest, and in order to guarantee product
reliability, you are strongly advised to refer to a ducati dealer
or authorised service centre for servicing that requires any
particular technical expertise.
Our highly skilled staff have the tools required to perform any
servicing job ...
Gear indicator display on dashboard shows dashes, engaged gear not displayed
correctly, idle speed irregular
with gearbox in neutral
Fault codes
Dds: gear sensor diagnosis -> short circuit to ground or open circuit (s.C.
Gnd or c.O.) - Short circuit to vdc (s.C. Vdc)
- congruence (generic error - signal not correct).
Dashboard: the error "gear sensor" is shown on the service display. The eobd
warning light activates.
...