2008 Polaris ATV Sportsman 300 400 H.O. Service Manual, Page 135Get this manual
CVTTRANSMISSION 3Remove the rollers from the primary sliding sheaveCheck the rollers for wear, deep scoring, or flat spotsRemove and inspect the slide bushings and cam plateReplace any components that found to be worn excessively or appears abnormalSlide Bushings Rollers 7Install the fixed sheave and spacer sleeve
8Bushing 456Cam Plate
Install tool (2875563) in the offset hole of the moveable sheave assembly to hold it together for installation2875563
Note direction of roller thrust surface (wide edge) toward thrust face of sheaveInspect bushing for wearWhen installing cam plate, be sure to align offset hole in cover with threaded hole in sheaveWide Surface Of Roller Against Thrust Surface Of Roller Track