2001 Arctic Cat ATVs factory service and repair manual, Page 189Get this manual
Fig3-673
Fig3-676
NOTE: It will be necessary to rotate the crank balancer until the counterweight is facing away from the crankshaft; then rotate the crankshaft clockwise into the journal area to allow the crank balancer to be fully seated
8Place washer on each end of the gear shift shaft; then install the shaft assembly making sure the two holes on the end of the shaft are positioned verticallyFig3-677
5Place the key into the crank balancer keyway; then install the crank balancer gear making sure the alignment dots on the crank balancer gear and the crankshaft gear alignFig3-674