KTM 390 Adventure - Owner's Manual > Draining 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.

Preparatory work

• Remove motor guard.

Main work

• Position the motorcycle upright.
• Position an appropriate container under the engine.
• Remove screw 1 with the seal ring.
• Remove the radiator cap.
• Completely drain the coolant.
• Mount and tighten screw 1 with a new seal ring.

Guideline

Filling/bleeding the cooling system

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.

Main work

• Remove screws 1 and take off the cover.
• Remove radiator cap 2.

• Remove screws 3 and take off the cover.
• Loosen bleeder screw 4.

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

• 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 inhaling 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.
• Remove cap 5 of the compensating tank and top up the coolant level to the upper marking.
• Mount the cap of the compensating tank.
• Position the cover, mount and tighten screws 1 and 3.

Guideline

Finishing work

• Install the motor guard.

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.

Preparatory work

• Remove motor guard.

Main work

• Position the motorcycle upright.
• Position an appropriate container under the engine.
• Remove screw 1 with the seal ring.

• Remove screws 2 and take off the cover.
• Remove radiator cap 3.
• Completely drain the coolant.
• Mount and tighten screw 1 with a new seal ring.

Guideline

• Remove screws 4 and take off the cover.
• Loosen bleeder screw 5.

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

• 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 inhaling 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.
• Remove cap 6 of the compensating tank and top up the coolant level up to the MAX marking.
• Mount the cap of the compensating tank.
• Position the cover, mount and tighten screws 2 and 4.

Guideline

Finishing work

• Install the motor guard.

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