2003 Honda ATV TRX650FA Rincon Factory Service Manual, Page 380Get this manual
REAR DRIV ING MECHANISM
SERVICE INFORMATION
GENERAL
Perform the gear contact pattern and backlash inspection he neve you replace the bearing s, gears or gear caseTh extension line from the gea engagement surfaces should intersect at one point Protect the gear case ith shop tow el or soft jaws hile holdin it in viseDo not clamp it too tight as it could damage the gear case Wh en using the lock nut rench, use deflecting bea type to rque wrench 20 inches longTh lock nut rench increases the torque rench' leverage, so the torq ue wre nch reading ill be less tha the to rque actu ally appli ed to the lock nutTh specification given is the actual to rq ue app lied to the lock nut, not the reading on the torque wr enchDo not ove rtighten the lock nutThe specification later in the text gives both actual and ind icated Replace the ring and pinion gear as set For bearing repl acemen in the knuckle, refer to page 15-6
SPECIFICATIONS
Finaldrive
At dr aini ng At di sassem -,"ly Recomm ended oilGear backlash Backlas iffere nce hd Rin gear-to-stop pin clearance _g