KTM 790 DUKE 2021, Owner'S Manual

Page: 104 / 139

17 COOLING SYSTEM
102
V01258-10
–
Remove bleeder screw
2
.
–
Tilt the vehicle slightly to the right.
–
Pour in coolant until it emerges without bubbles at the vent
hole, and then mount and tighten bleeder screw
2
immedi-
ately.
Coolant 1.4 l (1.5 qt.) Coolant ( p. 127)
–
Completely fill the radiator with coolant. Mount radiator
cap
1
.
–
Rest the vehicle on the side stand.
–
Check coolant level in the compensating tank. ( p. 99)
Danger
Danger of poisoning Exhaust gases are toxic and inhal-
ing them may result in unconsciousness and death.
–
Always make sure there is sufficient ventilation
when running the engine.
–
Use effective exhaust extraction when starting or
running the engine in an enclosed space.
–
Start the engine and run it until the 5th bar of the temperature
indicator lights up.
–
Stop the engine and allow it to cool down.
–
When the engine is cool, check the coolant level in the radiator
and, if necessary, add coolant.
–
Check coolant level in the compensating tank. ( p. 99)
17.6 Changing the coolant
Warning
Danger of scalding
During motorcycle operation, the coolant gets very hot and is under pressure.
–
Do not open the radiator, the radiator hoses or other cooling system components if the engine or the
cooling system are at operating temperature.
–
Allow the cooling system and the engine to cool down before you open the radiator, the radiator hoses
or other components of the cooling system.
–
In the event of scalding, rinse the area affected immediately with lukewarm water.
Warning
Danger of poisoning Coolant is toxic and a health hazard.
–
Keep coolant out of the reach of children.
–
Do not allow coolant to come into contact with the skin, the eyes and clothing.
–
Consult a doctor immediately if coolant is swallowed.
–
Rinse the affected area immediately with plenty of water in the event of contact with the skin.
–
Rinse eyes thoroughly with water and consult a doctor immediately if coolant gets into the eyes.
–
Change clothing if coolant spills onto your clothing.
Condition
The engine is cold.