2011 Arctic Cat Prowler XT/XTX/XTZ ATV/ROV Service Manual, Page 123Get this manual
8Place the larger flat washer on the drive gear end of the countershaft and the smaller flat washer on the high driven gear end; then with shift forks and shift fork shaft, install the countershaft assembly into the crankcase GZ332
7Install the gear shift shaft into the crankcase making sure the flat washer is in place on the right case end and the bearing assembly on the gear shift stop endGZ336
9Engage the shift forks into the gear shift shaft and push the shift fork shaft into the crankcase