Honda FourTrax Foreman Rubicon TRX500FA5 2019 Owner's Manual page 157

1. Park your ATV on a firm, level surface.
2. Place an oil drain pan under the oil drain bolt (1).
3. Remove the oil fill cap (2), O-ring (3), drain bolt and sealing
washer (4).
4. After the oil has completely drained, reinstall the drain bolt with
a new sealing washer and tighten it to the specified torque:
9 lbf·ft (12 N·m, 1.2 kgf·m)
5. Pour the drained oil into a suitable container and dispose of it in
an approved manner (page 214).
NOTICE
Improper disposal of drained fluids is harmful to the environment.
Rear Final Gear Oil
Servicing Your Honda
(cont'd)
147