Honda CLICK150i 2019 Owner's Manual page 90

Securely reinstall the reserve tank cap.
3.
Install the parts in the reverse order of
4.
removal.
WARNING
3
Removing the radiator cap while the
engine is hot can cause the coolant to
spray out, potentially scalding you.
Always let the engine and radiator cool
down before removing the radiator cap.
Coolant
Coolant cover
Reserve tank cap
Changing Coolant
Have your dealer change the coolant unless
you have the proper tools and are
mechanically qualified.
Changing Coolant
u
Screw
85