2005-2011 Honda Recon TRX250TE/TM service manual, Page 302Get this manual
REAR DRIVING MECHANISM
TROUBLESHOOTING
REAR FINAL DRIVE
Excessive noise Worn or scored ring gear shaft and driven flange Scored driven flange and wheel hub Worn or scored drive pinion and splines Worn pinion and ring gears Excessive backlash between pinion and ring gear Oil level too low