2005 Polaris Sportsman 400/500 Service Manual, Page 102Get this manual
Main puller body
7The Water Pump Install Kit (PN 5131135) is required to install the new mechanical sealThis tool is available separately and it is also included in the CrankshaftWater Pump Seal Installation Kit (PN 2871283)
ONE WAY VALVE INSTALLATION
Position the split 90 to opening on main puller body Install the one way valve plunger, spring, and plug using new sealing washerOne Way Valve Plug Torque: 16 ftlbs(22 Nm)