BRAKE SYSTEM 13
93
400257-10
– Check the front and rear brake disc thickness at multiple
points for the dimension
A
.
Info
Wear reduces the thickness of the brake disc around
the contact surface of the brake linings.
Brake discs - wear limit (500 EXC‑F US)
front 2.5 mm (0.098 in)
rear 3.5 mm (0.138 in)
Brake discs - wear limit (500 EXC‑F SIX DAYS US)
front 2.5 mm (0.098 in)
rear 3.7 mm (0.146 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.
13.4 Checking the front brake fluid level
Warning
Danger of accidents An insufficient brake fluid level will cause the brake system to fail.
If the brake fluid level drops below the specified marking or the specified value, the brake system is
leaking or the brake linings are worn down.
– Check the brake system and do not continue riding until the problem is eliminated. (Your authorized
KTM workshop will be glad to help.)
Warning
Danger of accidents Brake fluid which is too old or of the wrong type impairs the function of the brake
system.
– Make sure that brake fluid for the front and rear brake is changed in accordance with the service
schedule. (Your authorized KTM workshop will be glad to help.)
– Make sure that only clean, approved brake fluid from a tightly sealed container is used. (Your autho-
rized KTM workshop will be glad to help.)
V01775-10
– Move the brake fluid reservoir mounted on the handlebar to a
horizontal position.
–
Check the brake fluid level in level viewer
1
.
»
If the brake fluid level has dropped below the marking
A
:
– Add front brake fluid. ( p. 94)
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