2008 Polaris Sportsman 500 EFI/X2/Touring/500 H.O. Service Manual, Page 101Get this manual
ENGINE Crankcase Assembly
12Apply Crankcase Sealant (PN 2871557) to the crankcase mating surfacesBe sure the alignment pins are in placeSet the crankcase in position carefully to avoid damaging the pump shaft seal, and install the magneto end crankshaft installation tool (follow instructions provided with the CrankshaftWater Pump Installation Kit (PN 2871283)Draw the crankcase halves together by tightening the nut on the tool and tapping lightly in the pump shaft area with soft faced hammer to maintain alignmentContinually check alignment of the cases during installation, closing the gap equally until the surfaces are tightly seatedRemove the toolInstall the crankcase flange bolts and tighten in steps following the pattern to specified torqueCrankcase Bolt Torque: 14 ftlbs(19 Nm) Crankcase Sealant: (PN 2871557) 1
Water Pump Mechanical Seal Removal Engine Installed
Water Pump Mechanical Seal Puller: (PN 2872105) Replacement T-Handle: (PN 2872106) This tool allows technician to replace the mechanical water pump seal on EH50PL engines without removing the engine and splitting the cases