Ducati Multistrada 620 Owner's Manual page 126

Rear brake pedal (fig. 25a)
Loosen lock nut (5).
Turn pedal travel adjusting screw (6) until pedal is in the
desired position.
Tighten check nut (5).
Work pedal by hand to make sure it has 1.5 - 2 mm free
play before brake begins to bite.
If not so, set the length of cylinder linkage as follows.
Loosen the lock nut (7) on cylinder linkage.
Tighten linkage (8) into fork (9) to increase play, or unscrew
linkage to reduce it.
Tighten check nut (7) and check pedal free play again.
8
7
9
E
5
6
fig. 25a
33