Honda TRX500FE1 Owner's Manual page 150

Rear Final Gear Oil
5. Remove the oil level check bolt (5) and sealing washer (6).
6. Pour the drained oil into a suitable container and dispose of it in
an approved manner (page 208).
NOTICE
Improper disposal of drained fluids is harmful to the environment.
7. Slowly fill the rear final gear case with the recommended oil until
oil starts to flow out of the oil level check hole (7). Allow oil to
settle for 2 – 3 minutes before moving to next step to prevent
overfilling.
85 cm 3 (2.9 US oz, 3.0 Imp oz)
8. Coat a new O-ring with grease and install it into the fill cap
groove and tighten it to the specified torque:
12 N·m (1.2 kgf·m, 9 lbf·ft)
9. Install the oil level check bolt with a new sealing washer and
tighten it to the specified torque:
12 N·m (1.2 kgf·m, 9 lbf·ft)
REAR
(5) oil level check bolt
(6) sealing washer
140 Servicing Your Honda
(5) (6) (7)
(7) oil level check hole