Honda FourTrax Foreman Rubicon TRX500FA5 2019 Owner's Manual page 168

Coolant
8. TRX500FA6/FA7:
Remove the center radiator grill cover by releasing the tab A, tab
B, hook A and hook B.
FRONT (TRX500FA6/FA7)
(9)
(6)
(7)
(6) tab A
(7) tab B
(9) hook A
9. Wash the radiator core (14) and radiator grill covers.
NOTICE
Do not apply pressured water directly to the radiator core.
The pressured water can damage the radiator core.
10. Install the removed parts in reverse order of removal.
158 Servicing Your Honda
(14)
(10) hook B
(13) center radiator grill cover
(14) radiator core
(13)
(10)