12 BRAKE SYSTEM 57
12.4 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.)
400257-10
– Check the thickness of the front and rear brake discs at several places on the disc
to see if it conforms to measurement
.
Info
Wear reduces the thickness of the brake disc around the area used by the
brake linings.
Brake discs - wear limits
Front 2.2 mm (0.087 in)
Rear 2.2 mm (0.087 in)
» If the brake disc thickness is less than the specified value:
– Change the brake disc.
– Check the front and rear brake discs for damage, cracking and deformation.
» If the brake disk exhibits damage, cracking or deformation:
– Change the brake disc.
12.5 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 lin-
ings 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
Skin irritation Brake fluid causes skin irritation.
– Keep brake fluid out of the reach of children.
– Wear suitable protective clothing and safety glasses.
– Do not allow brake fluid to come into contact with the skin, the eyes or clothing.
– Consult a doctor immediately if brake fluid has been swallowed.
– Rinse the affected area with plenty of water in the event of contact with the skin.
– Rinse eyes thoroughly with water immediately and consult a doctor if brake fluid comes into contact with the eyes.
– If brake fluid spills on to your clothing, change the clothing.
Warning
Danger of accidents Old brake fluid reduces the braking effect.
– Make sure that brake fluid for the front and rear brake is changed in accordance with the service schedule. (Your autho-
rized KTM workshop will be glad to help.)
Warning
Environmental hazard Hazardous substances cause environmental damage.
– Dispose of oils, grease, filters, fuel, cleaning agents, brake fluid, etc., correctly and in compliance with the applicable regu-
lations.
Info
Never use DOT 5 brake fluid. It is silicone-based and purple in color. Oil seals and brake lines are not designed for DOT 5
brake fluid.
Avoid contact between brake fluid and painted parts. Brake fluid attacks paint.
Only use clean brake fluid from a sealed container.
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