2010 Polaris Sportsman 850 Service Manual, Page 256Get this manual

2010 Polaris Sportsman 850 Service Manual, Page 256

FINAL DRIVE Gearcase Disassembly and Inspection IMPORTANT: Pinion and ring gear shimming information is NOT providedThe components
or broken teethInspect the pinion shaft by rotating the assembly in the gearcase housing while checking for any looseness
or roughnessInspect the pinion gear teeth for chipped, worn, or broken teethInspect the gear teeth Lift the gearcase cover
off the main gearcase half and note the shim between the cover and the ring gearRemove the ring gear from the main gearcase
halfRing Gear Shim NOTE: In the event damage to the gears or housing requires replacement, the entire assembly must be replaced7Inspect