2008 Arctic Cat 400/500/650/700 ATV Service Manual, Page 239Get this manual
13With the shift fork peg positioned in the shift shaft assembly slot, install the shift fork in the select sliding dog gear
16Place washer on each end of the starter gear assembly and install in the crankcase17Place thrust washer onto the crankshaft; then install the starter clutch gear assembly onto the crankshaftPlace the key into its notch
14Slide the shift fork shaft through the shift fork and into the crankcase boss