2003 Honda ATV TRX650FA Rincon Factory Service Manual, Page 381Get this manual
REAR DRIVING MECHANISM
TROUBLESHOOTING
Excessive noise Worn or dam ag ed be arin g
Worn or sco red sp lines Worn da maged driv sh aft, pro ell er ha ft uni rsal oint
Worn pinio and rin gea rs Excessive backl ash et een pin io and ri ng ge rs Oi lev el too lo w