2005-2008 Honda ATV TRX500FA/FGA Fourtrax, Rubicon Factory Service Manual, Page 87Get this manual
MAINTENANCE OIL CHANGE Place the vehicle on level surfaceRemove the oil filler cap and drain bolt to drain the oilWhen the oil is completely drained, install the drain bolt with new sealing washerTighten the drain bolt to the specified torqueTORQUE: 12 Nm (1.2 kgfm, lbfft) Fill the final gear case with the recommended oil (page 3-18)OIL CAPACITY: 75 cm3 (2.5 US oz, 2.6 Imp oz) at draining 100 cm3 (3.4 US oz, 3.5 Imp oz) at disassembly Install the oil filler cap with new O-ring (page 318)DRAIN BOLT SEALING WASHER
DIFFERENTIAL OIL