2003 Arctic Cat ATVs from 250cc to 500cc Service Manual, Page 360Get this manual
7In turn on the driveshaft, install thedrive gear and washer; then secure with the circlip 10Place washer on both the driveshaft and the countershaft8Place the select sliding dog gear and washer onto the driveshaft; then place the #2 drive gear onto the driveshaft making sure the bushing and washer follow on the driveshaft