1. Prepare the ATV. Park the ATV on a level surface, and engage the parking brake. If necessary, chock the wheels to prevent the ATV from rolling.
2. Remove the wheels. Loosen the lug nuts on the rear wheels, and then remove the wheels.
3. Remove the brake calipers. Remove the bolts holding the brake calipers in place, and then remove the calipers.
4. Remove the brake rotors. Remove the bolts holding the brake rotors in place, and then remove the rotors.
5. Remove the differential cover. Remove the bolts holding the differential cover in place, and then remove the cover.
6. Remove the differential gears. Remove the bolts holding the differential gears in place, and then remove the gears.
7. Remove the axle shaft. Slide the axle shaft out of the differential housing.
8. Reverse the steps to reassemble the axle.