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KTM 450 EXC - Tuning the Engine

KTM 450 EXC
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16 COOLING SYSTEM 102
400243-10
Stand the motorcycle upright on a horizontal surface.
Remove the radiator cap.
Check the coolant level in the radiator.
Coolant level
above radiator fins.
10 mm (0.39 in)
» If the coolant level does not meet specifications:
Correct the coolant level.
Coolant ( p. 125)
Mount the radiator cap.
16.4 Draining the coolant
Warning
Danger of scaldingDuring 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 poisoningCoolant is poisonous and a health hazard.
Coolant must not come into contact with the skin, eyes, or clothing. If contact occurs with the eyes, rinse with water imme-
diately and contact a physician. Immediately clean contaminated areas on the skin with soap and water. If fuel is swal-
lowed, contact a physician immediately. Change clothing that is contaminated with coolant. Keep coolant out of reach of
children.
Condition
The engine is cold.
Preparatory work
(All EXC models)
Remove the engine guard. ( p. 78)
S00822-10
Main work
Position the motorcycle upright.
Place a suitable container under the water pump cover.
Remove screw
. Take off radiator cap
.
Completely drain the coolant.
Mount and tighten screw
with a new seal ring.
Guideline
Screw, water pump cover M6x25 10 Nm (7.4 lbf ft)
16.5 Refilling coolant
Warning
Danger of poisoningCoolant is poisonous and a health hazard.
Coolant must not come into contact with the skin, eyes, or clothing. If contact occurs with the eyes, rinse with water imme-
diately and contact a physician. Immediately clean contaminated areas on the skin with soap and water. If fuel is swal-
lowed, contact a physician immediately. Change clothing that is contaminated with coolant. Keep coolant out of reach of
children.
M00220-10
Main work
Make sure that the screw
is tightened.
Stand the vehicle upright.
Pour coolant in up to measurement
above the radiator fins.
Guideline
10 mm (0.39 in)
Coolant 1.2 l (1.3 qt.) Coolant ( p. 125)

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