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 filler cap
Position seal (18) in tank cap (10) as shown and reassemble following the
removal procedure in the reverse sequence.
In particular tighten the screws (17) to a torque of 3 nm +/- 10% (sect. 3 - 3,
Frame torque settings).
...
Refitting the cylinder/piston assembly
If new units are used, it is necessary to couple the cylinders and pistons of
the same selection (see paragraph "overhaul Of the cylinder
barrel/piston components" of this section).
If the pistons have been separated from their cylinders, before reassembling
these components, position the p ...
Protective apparel
Always wear a helmet. Most motorcycle accident fatalities
are due to head injuries.
For safety eye protection, gloves, and high top, sturdy boots
should also be worn.
The exhaust system becomes very hot during operation,
never touch the exhaust system. Wear clothing that fully
covers your ...