2008 Polaris ATV Sportsman 300 400 H.O. Service Manual, Page 149Get this manual
FINAL DRIVE 7Remove the cotter pin, wheel hub castle nut and washerThen remove the front wheel hub assembly from the ATVWheel Hub
Bearing Removal
12Remove the inner snap ring retaining the bearingFrom the front side of the housing, tap on the outer bearing race with drift punch in the reliefs as shownBearing Snap Ring
Washer Cotter Pin Castle Nut
Remove the (2) fasteners retaining the front bearing carrier to the front strut assembly
Casting Reliefs
Front Strut
NOTE: Drive bearing out evenly by tapping on outer race onlyOnce bearing is at bottom of casting, support casting on outer edges so bearing can be removed3Discard bearing once removed
Bearing Carrier Nuts