2010 Arctic Cat DVX 90 / 90 Utility ATV Service Manual, Page 41Get this manual
BTRANSMISSION Assembling 1Install new oil seals in the transmission case and cover; then coat the inner surfaces of the seals with multi-purpose grease2Making sure the bearing is properly aligned in the transmission case, drive the input driveshaft and bearing into place with plastic mallet YT100C
1Install the non-splined reverse thrust washer (A) on the main shaft; then install the reverse gear (B) and splined thrust washer (C)Secure with the snap ring (D) pressing firmly toward the reverse gear to seat in the groove
3Install the countershaft with thrust washer into the transmission case