Ducati MONSTER 821 Workshop Manual page 101

Warning
After draining the old fluid from the reservoir and while filling the system, always keep the fluid level above
the MIN mark to avoid any air bubbles in the circuit.
Note
If bleeding tool is not available, move back calliper pistons as well.
Fill the reservoir (2) with the specified fluid taken from an intact container.
Important
During this operation, fluid level inside reservoir must remain above the MIN mark at all times. The end of
the transparent plastic hose must remain immersed in the discharged fluid at all times.
Operate brake pedal and keep it pressed during the whole filling operation.
BLEEDING THE REAR BRAKE SYSTEM
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