Ducati Scrambler 800 - Service manual > Removing the brake disc

The front disc consists of an inner carrier, which is mounted to the wheel, and an outer rotor. Both parts must be replaced together as a pair.

Remove the front wheel (Removing the front wheel).

Undo the screws (1) securing the brake disc to the wheel, remove disc (2) and the phonic wheel (3).

Removing the front brake system

Drain the front braking system (Changing the front brake system fluid).

Remove the rear-view mirrors (Removing the rear-view mirrors).

Undo the special screw (1), collecting the sealing washers (2) to release the front brake master cylinder unit (3) from hose (4).

Loosen screws (5) and remove hose guide (6).

Undo special screw (7) and collect seals (8).

Remove the brake hose.

Loosen the screws (9) and remove the brake calliper (10).

Maintenance operations

Warning Brake fluid is corrosive and will damage paint. Avoid contact with eyes and skin. In case of accidental contact, wash thoroughly with water.

For all maintenance operations (wear check and replacement of brake pads and brake fluids, etc.) see chapter, "Maintenance operations".

Refitting the front brake master cylinder

Insert the front brake master cylinder unit (3) on the right side of the handlebar so as the clamp internal edge matches with the mark (A).

Position clamp (6) on the handlebar and start the screws (5).

Tighten the fastening screws (5) to the specified torque of 10 Nm +- 10% following the sequence 1-2-1 starting from the upper screw.

Position the hose (4) and sealing washers (2) on the master cylinder unit (3) and secure with the special screw (1), without tightening.

Warning An incorrectly positioned hose can cause system faults and interfere with moving parts.

Aim hose (4) as shown in the figure by respecting values X=35º and Y=60º and then tighten the special screw (1) to a torque of 23 Nm +- 10%.

For the positioning of the hose (4) and retaining ties, see Section "Routing wiring/hoses".

Refit the rear-view mirrors (Refitting the rear-view mirrors).

Fill the front braking system (Changing the front brake system fluid).

Removing the front brake master cylinder

Warning The brake master cylinder manufacturer advises against servicing the brake master cylinder due to the safety critical nature of this component. Incorrect overhaul can endanger rider and passenger safety.

Maintenance operations on these units are limited to replacement of the following parts: control lever, fluid reservoir assembly and relative fasteners and master cylinder fasteners.

Drain the front braking system (Changing the front brake system fluid).

Remove the rear-view mirror (Removing the rear-view mirrors).

For the front ABS brake system, please also refer to Sections "ABS system operation information " and chapters "System components" and "ABS component maintenance".

Undo the special screw (1), collecting the sealing washers (2) to release the front brake master cylinder unit (3) from hose (4).

Undo the screws (5) securing the clamp (6), and then remove the front brake master cylinder assembly (3) from the handlebar.

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