2010 Arctic Cat DVX 300 / 300 Utility ATV Service Manual, Page 106Get this manual
3Remove the three cap screws, the dust plate, and one O-ring from the left axle housing on the swing arm; then from the right side, drive out the axle bearing
3Apply grease to the universal joint splines and driveshaft splines; then install the driveshaft spring into the driveshaft
KM529 KM523A
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
NOTE: Apply liberal amount of grease to the driveshaft splines and the driveshaft springThis will aid in keeping the spring in position while assembling