Ducati SPORT 1000 S Owner's Manual page 29

To adjust the position of the rear brake pedal, proceed as
follows:
Loosen the locknut (4).
Turn the pedal travel adjustment bolt (5) until the pedal is in
the desired position.
Tighten the locknut (4).
Operate the pedal by hand to make sure it has 1.5 to 2 mm
of free play before the brake begins to bite.
E
If not, adjust the length of brake master cylinder pushrod as
follows:
Slacken off the locknut (6) on the pushrod.
Screw the rod into the clevis (7) to increase play, or
unscrew it to reduce play.
Tighten the locknut (6) and recheck the pedal freeplay.
28
6
7
4
5
fig. 18