2006 Arctic Cat ATVs factory service and repair manual, Page 160Get this manual
CRANK BALANCER DRIVEN GEAR
Assembling Crankcase
:EY 12345Balancer Shaft Washer Driven GearDriven Gear #2 Spring 6Key 7Pin 8Washer
1 NOTE: For ease of assembly, install components on the right-side crankcase half1 NOTE: If the output shaft was removed, make sure that the proper shim is installed
1Install the output shaft into the crankcase making sure the two gears, shim, washer, and nut are in the correct order
Disassembling
1Remove the small and large washers from the balancer shaft2Note the position of the alignment marks for assembling purposes; then remove driven gear #1 with driven gear #2Account for pins and springs3Remove driven gear #2 from gear #I; then account for large washer and keyInspecting