KTM 390 Duke Series 2019 Owner's Manual page 196

16 COOLING SYSTEM
194
Main work
–
Remove radiator cap
F00856-10
–
Loosen bleeder screw
Guideline
3 turns
–
Tilt the vehicle slightly to the right.
–
Pour in coolant until it emerges without bubbles at the bleeder
screw, and then mount and tighten the bleeder screw immedi-
ately.
Coolant (
F00870-10
–
Completely fill the radiator with coolant. Mount the radiator
cap.
–
Rest the vehicle on the side stand.
1
.
2
.
p. 238)