2009 Polaris Sportsman 850 XP EFI EPS Service Manual, Page 115Get this manual
ENGINE 16Remove the (4) screws retaining the engine skid plate and remove the plate from the vehicle17Place drain pan under the front portion of the engine18Slide the clamp back and remove the coolant inlet hose from the water pump housing21Use the Roll Pin Removal Tool (PN 2872608), to drive out the roll pin from the front propshaftPull the shaft back towards the transmission to remove it from the front gearcase input shaft, then pull it forward to remove it from the transmission output shaftRoll Pin