2008 Arctic Cat 400/500/650/700 ATV Service Manual, Page 314Get this manual
2Install the high driven gear spacer (10) and high driven clutch dog (11)
4Install the reverse driven gear bushing (7) making sure to align the oil hole in the bushing with the oil hole in the countershaft; then install the reverse driven gear (6), lowreverse clutch dog (5), and lowreverse spacer (4)
3Position the thrust washer (9) onto the countershaft; then while pressing toward the driven gear, rotate the thrust washer to engage the splines and install the locking tab washer (8) making sure the tabs engage the splines