KTM 690 SMC 2008, Repair Manual

Page: 152 / 227

35/WATER PUMP, COOLING SYSTEM
150
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Start the engine and run it until the 5th bar of the temperature indicator lights up.
–
Switch off the engine and allow it to cool down.
–
After the engine has cooled down, check the coolant level in the radiator and in the
compensating tank again and add more coolant if necessary.
21.3
Checking the antifreeze and coolant level
Warning
Danger of 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 of 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
Engine is cold.
100283-10
–
Stand the motorcycle on its side stand on a horizontal surface.
–
Remove the cap of the compensating tank

.
–
Check antifreeze of coolant.
−
25…
−
45 °C (
−
13…
−
49 °F)
» If the antifreeze of the coolant does not meet specifications:
–
Correct the antifreeze of the coolant.
–
Check the coolant level in the compensating tank.
The coolant level must be within the range shown in the figure.
» If the coolant level does not meet specifications:
–
Correct the coolant level.
Alternative 1
Coolant ( p. 204)
Alternative 2
Coolant (mixed ready to use) ( p. 204)
–
Mount the cap of the compensating tank.
100284-10
–
Screw off the radiator cap

.
–
Check antifreeze of coolant.
−
25…
−
45 °C (
−
13…
−
49 °F)
» If the antifreeze of the coolant does not meet specifications:
–
Correct the antifreeze of the coolant.
–
Check the coolant level in the radiator.
The radiator must be completely filled.
» If the coolant level does not meet specifications:
–
Correct the coolant level and find out the cause of the loss.
Alternative 1
Coolant ( p. 204)
Alternative 2
Coolant (mixed ready to use) ( p. 204)
–
Mount the radiator cap.