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MAINTENANCE WORK ON CHASSIS AND ENGINE »
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BRAKE FLUID RESERVOIRS:
The brake fluid reservoirs on the front and rear wheel brakes have been designed in such a
way that even if the brake pads are worn it is not necessary to top up the brake fluid. There
is no reason to remove the reservoir cap under normal conditions. If the brake fluid level
drops below the minimum either the brake system has a leak or the brake pads are com-
pletely worn down. In this case, consult an authorized KTM dealer immediately.
BRAKE FLUID:
We recommend that you use Motorex DOT 5.1 brake fluid when you refill or change the brake
fluid. DOT 5. 1 brake fluid has a wet boiling point of 180°C / 356°F (25°C / 45°F higher
than DOT 4) and is safer for high performance applications. Brake fluid DOT 5.1 is a poly-
ethylene glycol based fluid, amber-colored and can be mixed with DOT 4 brake fluid. Do
not, in any event, use DOT 5 brake fluid. It is based on silicone oil and is dyed purple. KTM
motorcycle gaskets and brake hoses are not designed for DOT 5 brake fluid.
Brake fluid is exposed to a high thermal load and absorbs moisture from the air, which low-
ers the boiling point. The brake fluid should therefore be changed at the prescribed
intervals.
Have the brake fluid for the front and rear brake changed at an authorized KTM workshop
every 2 years.
BRAKE DISCS:
Wear reduces the thickness of the brake disc in the area of contact [4] with the brake pads.
The brake disk should not be thinner than 4.5 mm (0.18 in) at the weakest point [A]. Check
the wear at several points.
Brake disks that are less than 4.5 mm (0.18 in) thick are a safety hazard. Have worn brake
disks replaced immediately.
A
4