KTM 390 Duke Series 2019 Owner's Manual page 148

13 BRAKE SYSTEM
146
–
Disconnect spring
–
Move the foot brake lever back and forth between the end stop
and the contact to the foot brake cylinder piston and check
A
free travel
Guideline
Free travel at foot brake lever 3 ... 5 mm (0.12 ... 0.2 in)
» If the free travel does not meet specifications:
–
Adjust the free travel of the foot brake lever.
( p. 147)
–
Reconnect spring
F00847-10
1
.
.
1
.