2008 Polaris ATV Sportsman 300 400 H.O. Service Manual, Page 166Get this manual
FINAL DRIVE Rear Drive Shaft Removal
1Remove the rear bearing carrier (see "REAR BEARING CARRIERBearing Carrier Removal") Over-angling of joints beyond their capacity can result in boot or joint damage Make sure surface-ground areas and splines of shaft are protected during handling to avoid damage Do not allow boots to come into contact with sharp edges or hot engine and exhaust components Shafts should never be used as lever arm to position other suspension components Never use hammer or sharp tools to remove or to install boot clamps Be sure joints are thoroughly clean and that the proper amount and type of grease is used to refill when joint boots are replaced and when joints are cleaned
NOTE: The rear bearing carrier does not need to be completely removedThe lower control can remain attached to the rear bearing carrier during this procedure2Tip the rear bearing carrier down and remove the drive shaft from the bearing carrier
Outer CV JointBoot Replacement
12Remove the drive shaft from the vehicle (see "Front Drive Shaft Removal" or "Rear Drive Shaft Removal")Remove and discard the boot clampsPry and pull sharply outward to remove drive shaft from transmission3Pull outward sharply to remove from transmission 4