2005-2008 Honda ATV TRX500FA/FGA Fourtrax, Rubicon Factory Service Manual, Page 86Get this manual
MAINTENANCE
REAR FINAL GEAR CASE OIL AND DIFFERENTIAL OIL
FINAL GEAR CASE OIL
LEVEL CHECK Place the vehicle on level surfaceRemove the oil check bolt and sealing washer, check that the oil flows out of the check bolt holeCheck for leakage if there is no oil flowSEALING WASHER
OIL CHECK BOLT Remove the oil filler cap and pour the oil slowly through the filler hole until the oil starts to flow out of the check bolt holeRECOMMENDED OIL: Hypoid gear oil SAE #80 Install the check bolt with new sealing washer and tighten it to the specified torqueTORQUE: 12 Nm (1.2 kgfm, lbfft) OIL FILLER CAP