2010 Arctic Cat DVX 300 / 300 Utility ATV Service Manual, Page 113Get this manual
2To inspect the swing arm and swing arm axle, place the swing arm axle and bushings in the swing arm; then using the flange bolt, rock the bushings and axle from side to side and up and downIf excessive play is noted, the bushings, axle, or swing arm must be replacedCheck for cracks or broken welds3To inspect the cushion arm bushings, install the bushings in the cushion arm; then check for excessive play by rocking the bushing KM496
8Remove the chain guide9Remove the dust seals from the swing arm; then remove two bushings and the swing arm axle
4Inspect the needle bearings for missing rollers, rust or corrosion, or flat rollersCheck for tight fit in bossReplace the arm if bearings are loose