2005-2008 Honda ATV TRX500FA/FGA Fourtrax, Rubicon Factory Service Manual, Page 401Get this manual
REAR DRIVING MECHANISM PINION GEAR INSTALLATION Drive the pinion gear assembly into the gear case using the special toolTOOL: Oil seal driver 07965-KE80200 OIL SEAL DRIVER
Keep the driver centered with the bearing outer race during installationPINION GEAR ASSEMBLY
Refer to torque wrench reading information on page 18-3 "Service Information"
Install new lock nut and tighten it using the special toolTOOL: Lock nut wrench, 30 64 mm 07916-MB00002 TORQUE: Actual: 98 Nm (10.0 kgfm, 72 lbfft)