2007 Arctic Cat DVX/Utility 250 ATV Service Manual, Page 107Get this manual
REPLACING SWING ARM SEALS AND BEARINGS
To replace damaged or worn seals and bearings in the swing arm assembly, use the following procedure1Remove the dust seals from the swing arm pivot; then using slide hammer and bearing puller, remove the pivot bearings
4Using suitable bearing driver, install the new axle bearing into the axle housing; then install the O-ring and dust plateTighten the three cap screws securelyINSTALLING
1Install new O-rings in the grooves of the gear case; then grease the center splines of the axle and install in the gear case from the left side
2Drive in new pivot bearings until fully seated; then install new dust seals