Ducati 748R Owner's Manual page 87

To set the rear brake pedal:
loosen check nut (4).
Turn travel adjuster (5) until pedal is in the desired
position.
Tighten check nut (4).
Work the pedal by hand to make sure it has about
1.5 ÷ 2 mm free play before brake is actuated.
If not so, set master cyilinder rod length as follows:
loosen the check nut (6) on the rod.
Tighten rod into fork (7) to increase free play or loosen it
E
to decrease play.
Tighten the check nut (6) and check play again.
fig. 11.3
19