Husqvarna 401 Vitpilen - 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.

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.

• Position the motorcycle upright.
• Place a suitable container under the engine.
• Remove screw 1.
• 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.

Preparatory work

• Remove the seat.
• Remove the right side cover.

Main work

• Remove radiator cap 1.

• Loosen bleeder screw 2.

Guideline

3 turns

• Tilt the vehicle slightly to the right.
• Pour in 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 an effective exhaust extraction system when starting or running the engine in an enclosed space.

• Start the engine and let it 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 the cover 3 of the compensating tank and top up the coolant level up to the MAX marking.
• Mount the cover of the compensating tank.

Finishing work

• Install the right side cover.
• Mount the seat.

See also: