KTM 125 Duke 2018 Owner's Manual page 193

–
Stop the engine and allow it to cool down.
–
When the engine is cool, check the coolant level in the radiator
and, if necessary, add coolant.
–
Remove the cover of compensating tank
coolant level up to the MAX marking.
–
Mount the cover of the compensating tank.
F00764-12
Finishing work
–
Fit the front spoiler. (
COOLING SYSTEM 16
4
and top up the
p. 127)
191