Changing The Coolant - KTM 390 DUKE 2022 Owner's Manual

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16 COOLING SYSTEM
16.6
94
F00870-10
F00855-11

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.
2
Loosen bleeder screw
Guideline
3 turns
Tilt the vehicle slightly to the right.
Pour in the coolant until it emerges without bubbles at the
bleeder screw, and then mount and tighten the bleeder screw
immediately.
Coolant (
p. 117)
Completely fill the radiator with coolant. Mount the radiator
cap.
Rest the vehicle on the side stand.
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 allow it to warm 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.
3
Remove cap
of the compensating tank and top up the
coolant level to the upper marking.
Mount the cap of the compensating tank.
Finishing work
Fit the front spoiler. (
p. 65)
.

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