KTM 250 SX 2010 User Manual

MAINTENANCE WORK ON CHASSIS AND ENGINE 58
B00031-11
– Mount and tighten screws  with the collar sleeve.
Guideline
Remaining screws, chassis M6 10 Nm (7.4 lbf ft)
– Connect the fuel hose.
– Mount the seat. ( p. 56)
9.78Cooling system
B00043-10
(125 SX, 150 SX)
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 temperature will not result in a risk of malfunctions.
120 °C (248 °F)
Cooling is effected by the air stream.
The lower the speed, the less the cooling effect. Dirty cooling fins also reduce the
cooling effect.
B00044-10
(250 SX)
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 temperature will not result in a risk of malfunctions.
120 °C (248 °F)
Cooling is effected by the air stream.
The lower the speed, the less the cooling effect. Dirty cooling fins also reduce the
cooling effect.
9.79Checking 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 fuel gets into your eyes, rinse immediately with water and
contact a doctor. Wash affected skin areas immediately with soap and water. If coolant is swallowed, contact a doctor
immediately. Change clothes that have come into contact with coolants. Keep coolant out of the reach of children.
Condition
The engine is cold.
400243-10
– Stand the motorcycle upright on a horizontal surface.
– Remove the radiator cap.
– Check the coolant antifreeze.
−25… −45 °C (−13… −49 °F)
» If the coolant antifreeze does not meet specifications:
– Correct the coolant antifreeze.
– Check the coolant level in the radiator.
Coolant level  above the radiator fins. 10 mm (0.39 in)
» If the level of the coolant does not meet specifications:

KTM 250 SX 2010 Specifications

General

Brand	KTM
Model	250 SX 2010
Category	Motorcycle
Language	English