Removing The Rear Brake Disc; Checking The Brake Disc; Refitting The Brake Disc - Ducati MONSTER 821 Workshop Manual

Removing the rear brake disc

Remove the rear wheel (P) (Removing the rear
wheel).
Remove the three fixing screws of phonic wheel (2) and slide it out.
Remove the three screws (3) retaining the rear disc (4) and slide it out.

Checking the brake disc

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 disc, refer to chapter "Hydraulic
brakes".

Refitting the brake disc

Position rear brake disc (4) on rear wheel (P), aiming it with chamfered sides (A) facing upwards.
Fasten the disc by starting screws (3) after applying indicated threadlocker.
Note
Pay attention to align screw heads to the corresponding seats on brake disc.
Tighten the screws (1) to 25 Nm ± 5%, following a 1-2-3 sequence.
Position the phonic wheel (7) on brake disc (4), aiming it as shown in the figure.
Fasten phonic wheel (4) starting screws (3) after applying recommended threadlocker.
Tighten the screws (3) to 25 Nm ± 10%, following a 1–2–3 sequence.
Refit the rear wheel (P) (Refitting the rear
wheel).
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