2008 Polaris Sportsman 500 EFI/X2/Touring/500 H.O. Service Manual, Page 58Get this manual
MAINTENANCE Fuel Filter
The fuel filter should be replaced in accordance with the Periodic Maintenance Chart or whenever sediment is visible in the filterArrow Indicates Direction of Flow 3Turn drain screw out two turns and allow fuel in the float bowl and fuel line to drain completely4Inspect the drained fuel for water or sediment5Tighten drain screw6Turn fuel valve to "ON"7Start machine and check for leaksNOTE: All tubes attached to the carburetor must be check for pinching or blockage, as this will effect engine performance To Carburetor