2009 Arctic Cat 400/500/550/700/550/700/1000 ATV Service Manual, Page 219Get this manual
10Install the spacer washer on the crankshaft; then install the starter ring gear
! CAUTION
Make sure the one-way starter clutch is properly engaged with the starter ring gear before installing and tightening the rotorflywheel nut or damage to the clutch assembly could occur
12Install the starter driven and counter gear shafts (D) into the crankcase (longer shaft to the front); then install the starter countershaft gear (C), starter driven gear (A), and bushing (B) making sure the chamfered gear teeth on the countershaft gear are directed outward