1998-2001 Honda Fourtrax Foreman TRX450S, TRX450ES Factory Service Manual, Page 257Get this manual
R:EAR WHEELSUSPENSION Remove the yoke jointdrive shaft from the swing
DRIVE SHAFT
R.emove the dust seals from the swinga rmCheck the dust sEmis for wear or damage
DUST SEALS
Tunthe Inner race of each pivot bearing with your fin'ger The bearlngs should turn smoothly and quietlyAlso check that the outer race fits tightly in the 6wi I"IQClrm pivotR.epla.ce them if necessary (see below)