KTM 125 Duke 2018 Owner's Manual page 191

Main work
–
Position the motorcycle upright.
–
Place a suitable container under the engine.
–
Remove screw
F00765-10
–
Remove radiator cap
–
Completely drain the coolant.
–
Mount and tighten screw
Guideline
Screw plug, water
pump drain hole
F00763-10
COOLING SYSTEM 16
1
.
2
.
1
with a new seal ring.
M6 10 Nm (7.4 lbf ft)
189