2008 Polaris Sportsman 700/800/700 X2 EFI Service Manual, Page 253Get this manual
SPORTSMAN TRANSMISSION 16Position the shift forks up and so the pins point toward the o'clock position, before installing the shift drum assembly19Lift the shift rail slightly and rotate the railfork assembly so it meshes with the tracks on the shiftdrumBe sure the wave springs are properly in place and that the shift rail is seated into the pocket on the backside of the case20Install the helical gear and bearing onto the pinion shaft21Clean the mating surfaces of the case and coverApply Crankcase Sealant (PN 2871557) to the mating surfacesBe sure the locating pins (knock pipes) are in placeReinstall cover, LH mounting bracket and torque bolts in criss-cross pattern in steps to specification