2008 Arctic Cat ATVs factory service and repair manual, Page 316Get this manual
5Install the front and rear crankshaft balancers; then install the drive keys and driven gears making sure the timing marks are properly aligned to the drive gear timing marks 7Install the assembled countershaft; then install the driveshaft
8Install the shift cam assembly making sure the two holes on the end of the shaft are positioned vertically9Insert the two shift forks into the sliding dogs noting the direction of the tabs from disassembling; then install the gear shift fork shaftINOTE: Make sure the shift fork tabs face upward and that they are properly seated into the shift cams