KTM F5003R1 2018 Owner's Manual page 186

16 COOLING SYSTEM
184
The coolant is cooled by the air stream and a radiator fan
which is activated at high temperature.
The lower the speed, the less the cooling effect. Dirty cooling fins
also reduce the cooling effect.
Info
If the cooling system overheats, the maximum engine
speed is limited.
402242-10
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