2009 Arctic Cat 250 Utility / DVX 300 ATV Service Manual, Page 102Get this manual
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
4Insert the driveshaft assembly into the swing arm tube; then engage the driveshaft splines with the pinion shaft splines in the rear drive gear caseKM527 KM530