Brake Calipers; Checking Brake Discs; Checking Free Play Of Hand Brake Lever - KTM 450 EXC-R EU Owner's Manual

MAINTENANCE WORK ON CHASSIS AND ENGINE

Brake calipers

The brake calipers of this series are "floating", which means that they are not fixed to the brake caliper support.
The lateral compensation ensures an optimal position of the brake pad in relation to the brake disc.

Checking brake discs

Warning
Danger of accidents Reduced braking due to worn brake discs.
Worn brake discs should be replaced immediately by an authorized KTM workshop.

Checking free play of hand brake lever

Warning
Danger of accidents Brake system failure.
If there is no free travel on the hand brake lever, pressure builds up on the front brake in the brake system. The front brake
can fail due to overheating. Adjust free travel on hand brake lever according to specifications.
Check the thickness of the front and rear brake discs at several places on the disc
to see if it conforms to measurement
Info
A A
Wear reduces the thickness of the brake disc around the area used by the
brake linings.
Wear limit of brake discs
front
400257-10
Rear
» The brake disc thickness is less than the specified value.
Replace the brake disc.
(Every XCR-W models)
Push the hand brake lever forwards and check free play.
Free play of hand brake lever
» If the free travel does not meet specifications:
adjust the basic position of handbrake lever. (
400196-11
(Every EXC-R models)
Push the hand brake to the handlebar and check free play
Free play of hand brake lever
» If the free travel does not meet specifications:
Adjust the free travel of the handbrake lever. (
400196-13
.
2.5 mm (0.098 in)
3.5 mm (0.138 in)
.
3 mm ( 0.12 in)
P. 56)
.
3 mm ( 0.12 in)
P. 56)
55