KTM RC 390 2018 - Page 146

14 BRAKE SYSTEM
144
400480-10
– Check the front and rear brake disc thickness at multiple
points for the dimension
A
.
Info
Wear will reduce the thickness of the brake disc at con-
tact surface
1
of the brake linings.
Brake discs - wear limit
front 4.0 mm (0.157 in)
rear 3.6 mm (0.142 in)
» If the brake disc thickness is less than the specified value.
– Change the front brake disc.
– Change the rear brake disc.
– Check the front and rear brake discs for damage, cracking, and
deformation.
» If the brake disc exhibits damage, cracking, or deforma-
tion:
– Change the front brake disc.
– Change the rear brake disc.