KTM 690 SMC R 2017 Owner's Manual page 104

12 BRAKE SYSTEM
–
Check the brake linings for minimum thickness
Minimum thickness
» If the minimum thickness is less than specified:
–
Change the rear brake linings.
–
Check the brake linings for damage and cracking.
» If there is wear or tearing:
–
Change the rear brake linings.
101994-10

≥ 1 mm (≥ 0.04 in)

.
102