2008 Polaris ATV Sportsman 300 400 H.O. Service Manual, Page 170Get this manual
FINAL DRIVE Rear Drive Shaft Installation
1234Install new circlip on the end of the plunging joint and apply an anti-seize compound to the drive shaft splinesAlign drive shaft splines with transmission and install by lightly tapping on drive shaft with rubber faced hammerInstall drive shaft into the rear bearing carrierLift bearing carrier into place and install the upper control arm attachment boltTorque bolt to 40 ftlbs(54 Nm)7Refer to "REAR BEARING CARRIERBearing Carrier Installation" if the brake caliper was removed (only if servicing the left-hand side)Install the wheel and wheel nutsRefer to "Torque Specifications" on Page 7.2=T