2010 Arctic Cat DVX 300 / 300 Utility ATV Service Manual, Page 27Get this manual
17Disconnect the shift linkage from the transmission shift armKM325A
18Remove the front engine mounting through-bolt; then remove the left and right engine mounting brackets from the frame19Attach suitable lifting sling and engine lift to the front engine mounting boss
21Raise the front of the engine sufficiently to allow the engine assembly to be moved forward enough to clear the rear mounting brackets (approximately in22Lower the front of the engine slowly, swing the rear of the engine to the left, and slide the engine out of the left-side of the frame