Cooling System; Radiator Fan - KTM 450 XC Owner's Manual

MAINTENANCE ON CHASSIS AND ENGINE

Cooling system

9.78

Radiator fan

9.79
The water pump
The pressure resulting from the warming of the cooling system is regulated by a valve in the
radiator cap . The specified coolant temperature is therefore permissible without danger of
function problems.
120 °C (248 °F)
Cooling is effected by the air stream. The radiator fan provides extra cooling.
The lower the speed, the less the cooling effect. Dirty cooling fins also reduce the cooling
effect.
600130-10
The radiator fan
Working range within which radiator fan is switched on and off.
Thermoswitch
Switch-off temperature
Switch-on temperature
600117-10
in the engine forces the coolant to flow.

is located on the radiator under the fuel tank.

80 °C (176 °F)
85 °C (185 °F)
150