Honda CL500A 2022 Owner's Manual page 81

Adding Coolant
If the coolant level is below the LOWER level
mark, add the recommended coolant
( P. 64) until the level reaches the UPPER
2
level mark.
Add fluid only from the reserve tank cap and
do not remove the radiator cap.
Reserve tank cap
Coolant
Remove the reserve tank cap and add
1.
fluid while monitoring the coolant level.
Do not overfill above the UPPER level
u
mark.
Make sure no foreign objects enter the
u
reserve tank opening.
Securely reinstall the reserve tank cap.
2.
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.
Adding Coolant
u
77