Honda FourTrax Foreman TRX500FE2 2018 Owner's Manual page 166

Coolant
7. Remove the centre radiator grill cover (11) by releasing the tab A,
tab B, hook A and hook B.
FRONT
(9)
(6)
(7)
(6) tab A
(7) tab B
(9) hook A
8. Wash the radiator core (12) and radiator grill covers.
NOTICE
Do not apply pressured water directly to the radiator core.
The pressured water can damage the radiator core.
9. Install the removed parts in reverse order of removal.
156
Servicing Your Honda
(12)
(10) hook B
(11) centre radiator grill cover
(12) radiator core
(11)
(10)