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MAINTENANCE WORK ON CHASSIS AND ENGINE »
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Checking the cooling liquid level in the radiator *
Hold the radiator cap [1] with a cloth, carefully turn in a counterclockwise
direction and remove. The radiator should be completely filled with cooling
liquid; no air should be in the radiator.
If any cooling liquid is missing, the cooling system is probably leaking. Have
the cooling system checked at an authorized KTM workshop.
IF POSSIBLE, CHECK THE COOLING LIQUID LEVEL WHEN THE ENGINE IS COLD.
IF YOU NEED TO REMOVE THE RADIATOR CAP WHEN THE ENGINE IS HOT, HOLD
THE CAP WITH A CLOTH AND OPEN SLOWLY, ALLOWING ANY EXCESS PRESSURE
TO ESCAPE (DANGER OF SCALDING).
IF MORE THAN 1 LITER OF COOLING LIQUID NEEDS TO BE ADDED, YOU WILL NEED
TO BLEED THE COOLING SYSTEM.
Bleeding the cooling system *
Take off the left and right spoilers. To take off the spoilers, remove the screws
[2] and [3] on each side.
Remove the bleeder screw [4] on the left side of the radiator.
To completely bleed the cooling system, the motorcycle must be raised approx.
50 cm in the front.
Add cooling liquid until it runs out of the vent holes without bubbles and imme-
diately mount the screw to prevent air from entering the radiator.
Completely fill the radiator with cooling liquid. Mount the radiator cap and
move the motorcycle into a horizontal position again. Now fill the compen-
sating tank [5] with cooling liquid until it reaches a level between the MIN
and MAX marks. Close the compensating tank and mount both spoilers.