2012 Sportsman 400/500 and EFI Tractor Service Manual 9923412, Page 282Get this manual
FINAL DRIVE 11Inspect roll cage sliding surface (2)This surface must be clean and free of nicks, burrs or scratchesRemove and inspect the H-springs (4)Replace any components as required2 14Remove the bolts retaining the input shaft cover and pinion gear assembly
15Inspect the magnetic coil (1) and bushing in the input cover plate assemblyReplace the input cover seal12Inspect the armature plate for consistent wear patternUneven wear of the armature plate indicates warped plate, which may cause intermittent operationNOTE: See page 7.20 "Front Gearcase Diagnosis" on 1