2010 Arctic Cat 700 Diesel SD ATV Service Manual, Page 76Get this manual
Assembling Countershaft 1Place the thrust washer on the splined end of the countershaft; then install the low driven gear bushing and bearing DE185A
4Install the reverse driven gear onto the bearing; then secure with splined washer and snap ringNOTE: Always install snap rings with the flat (sharp) side away from the washerDE155A