35Iwater Pump, Cooling System; Cooling System; Checking The Anti-Freeze And Coolant Level; Checking The Coolant Level - KTM 450 SX-F EU Repair Manual

35IWATER PUMP, COOLING SYSTEM
191
Water pump in the engine circulates the coolant.
The pressure resulting from the warming of the cooling system is regulated by a valve
in radiator cap . This ensures that operating the vehicle at the specified coolant tem-
perature will not result in a risk of malfunctions.
1120 °C (248
OF)
Cooling is effected by the air stream.
The lower the speed, the less the cooling effect. Dirty cooling fins also reduce the cool-
ing effect.
Chackinllha anti-m.aza and coolant laval
Warning
Danger 01 scalding During motorcycle operation, the coolant gets very hot and is under pressure.
- Do not remove the radiator cap, radiator hoses or other cooling system components when the engine is hot. Allow the
engine and cooling system to cool down. In case of scalding, rinse immediately with lukewarm water.
Warning
Danger 01 poisoning Coolant is poisonous and a health hazard.
- Avoid contact between coolant and skin, eyes and clothing. If it gets into your eyes, rinse immediately with water and con-
tact a doctor. Wash affected skin areas immediately with soap and water. If coolant is swallowed, contact a doctor immedi-
ately. Change clothes that have come into contact with coolants. Keep coolant out of the reach of children.
400243-10
Chackinllha coo
lint
lavel
Warning
Condition
Engine is cold.
- Stand the motorcycle upright on a horizontal surface.
- Remove radiator cap.
- Check the anti-freeze of the coolant.
1-25 ... -45°C (-13 ... -49
OF)
• If the anti-freeze of the coolant does not meet specifications:
- Correct the anti-freeze of the coolant.
- Check the coolant level in the radiator.
I
Coolant level above radiator fins. 110 mm (0.39 in)
• If the level of the coolant does not meet specifications:
- Correct the coolant level.
Allarnative 1
I
Coolant
(or
p. 224)
Alternative 2
I
Coolant (mixed ready to use)
(or
p. 224)
- Refit the radiator cap.
Danger 01 scalding During motorcycle operation, the coolant gets very hot and is under pressure.
- Do not remove the radiator cap, radiator hoses or other cooling system components when the engine is hot. Allow the
engine and cooling system to cool down. In case of scalding, rinse immediately with lukewarm water.
Warning
Danger 01 poisoning Coolant is poisonous and a health hazard.
- Avoid contact between coolant and skin, eyes and clothing. If it gets into your eyes, rinse immediately with water and con-
tact a doctor. Wash affected skin areas immediately with soap and water. If coolant is swallowed, contact a doctor immedi-
ately. Change clothes that have come into contact with coolants. Keep coolant out of the reach of children.
Condition
The engine is cold.