KTM RC 390 2019 Owner's Manual page 204

17 COOLING SYSTEM
202
Main work
–
Stand the motorcycle upright on a horizontal surface.
–
Take off cap
–
Check the antifreeze in the coolant.
−25 ... −45 °C (−13 ... −49 °F)
» If the antifreeze in the coolant does not match the speci-
fied value:
–
Correct the antifreeze in the coolant.
R04380-10
–
Check the coolant level in the compensating tank.
The coolant level must be between MIN and MAX.
» If the coolant level does not match the specified value:
–
Correct the coolant level.
Coolant (
–
Mount the cap of the compensating tank.
1
of the compensating tank.
p. 255)