BRAKE SYSTEM 14
103
trol unit detects a locking tendency in a wheel, ABS begins reg-
ulating the brake pressure. The control function causes a slight
pulsing of the hand and foot brake levers.
The ABS warning lamp
3
must light up after the ignition is
switched on and go out after starting off. If it does not go out after
starting off or if it lights up while riding, this indicates an error
in the anti-lock brake system. In this case, the ABS is no longer
enabled and the wheels may lock during braking. The brake
system itself stays functional; only ABS control is not available.
The ABS warning lamp may also light up if the rotating speeds of
the front and rear wheels differ greatly under extreme riding con-
ditions, for example when making "wheelies" or if the rear wheel
spins. This causes the ABS to switch off.
To reactivate the ABS, stop the vehicle and switch off the ignition.
The ABS is reactivated when the vehicle is switched on again. The
ABS warning lamp goes out after starting off.
14.2 Checking brake discs
Warning
Danger of accidents Worn-out brake discs reduce the braking effect.
– Make sure that worn-out brake discs are replaced immediately. (Your authorized KTM workshop will
be glad to help.)
F01998-10
– Check 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 4.5 mm (0.177 in)
rear 4.5 mm (0.177 in)
» If the brake disc thickness is less than the specified value.
– Change the front brake discs.
– Change the rear brake disc.
– Check front and rear brake discs for damage, cracking, and
deformation.
» If the brake disc exhibits damage, cracking, or deforma-
tion:
– Change the front brake discs.
– Change the rear brake disc.
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