2008 Polaris Sportsman 500 EFI/X2/Touring/500 H.O. Service Manual, Page 290Get this manual
TRANSMISSION 2Once the gear backlash is found, to install the snorkel lock screw, you may have to rotate the snorkel tube clockwise or counterclockwise slightlyThis will allow the lock screw to thread itself into one of the slots of the snorkel tube (See illustration below) to secure the snorkel tubeScrew Fits in Slots of Snorkel Tube 5Assemble the reverse shaft assembly if previously disassembledREVERSE SHAFT 8-12 ft-lb(11-17) Nm 3With the snorkel shaft assembly in place, remove the Torx screws from the output shaft assemblyRemove the output shaft assemblyD Towards Inside of Case ABall Bearing BEngagement Dog CRetaining Ring DWasher EGear FNeedle Bearing GReverse Shaft HNeedle Bearing ISprocket JWasher Kretaining Ring LEngagement Dog MWasher NNeedle Bearing OGear PWasher QRetaining Ring RBall bearing 4Assemble the input shaft assembly if previously disassembledInput Shaft Assembly ABall Bearing BInput Shaft CSilent Chain