Remove the rear eccentric hub (sec. 7 - 13, Removal of the rear wheel eccentric hub and rear wheel shaft).
Undo and remove the four fixing screws (13) of the brake disk to the wheel axle and remove the rear brake disk (14).
Loosen the four screws (24) and remove the rear phonic wheel (25).
The brake disc must be perfectly clean, with no rust, oil, grease or other dirt and no deep scoring.
To check the wear limit of the brake disk refer to sec. 3 - 1.1, Hydraulic brakes.
Place the rear brake disc (14) on the rear wheel shaft (26), by orienting the bevelled edges (s) faced upwards.
Fix the disc by starting the screws (13) with prescribed threadlocker.
Note
Make sure to centre the screw heads in the relevant seats on the brake discs.
Tighten the screws (13) to a torque of 27 nm +/- 10% (sect. 3 - 3, Frame torque settings), in the sequence 1-2-3-4.
Position the phonic wheel (25) on the brake disc (14) by orienting it as shown in figure.
Fix the phonic wheel (25) by starting the screws (24) with the recommended threadlocker.
Tighten the screws (24) to a torque of 5 nm +/- 10% in a crossed-pattern sequence.
Refit the rear eccentric hub as described in sec. 7 - 13, Removal of the rear wheel eccentric hub and rear wheel shaft.


Removal of the rear brake calliper
Refitting the rear brake calliperCheck engine oil level
Check the engine oil level through the sight glass (1) on the right-hand side
of the oil sump.
Stop the engine and allow a few minutes for the oil to settle to a steady level.
Oil level must be checked with the vehicle perfectly upright and the engine
cold.
The oil must be between the m ...
Disassembly of the rear brake control
The brake master cylinder is supplied only as a complete unit; internal
components cannot be replaced.
To disassemble the master cylinder's outer parts, follow the indications given
in the exploded view at the beginning of this
section.
If the bush (10) inside the brake pedal (6) needs to ...
Cylinder compression test
Note
The on-screen icons used during this procedure are explained in a table at
the end of this section.
Engine performance is directly correlated to the pressure that can be
measured in the combustion chambers of the two
cylinders. Pressure which is too high/low or an excessive difference be ...