2008 Polaris Sportsman 500 EFI/X2/Touring/500 H.O. Service Manual, Page 72Get this manual
ENGINE EH50PL Oil Flow Diagram
Internal passage to camshaft (front left head bolt) Oil Filter Oil feed to filter
Vent Hose
From filter to crankshaft One way valve Bottom fitting is oil exhaust or return Top fitting is oil to tank feed or intake from bottom of tank Top of Oil Tank Oil Tank Oil Hose Screen Fitting (Bottom of Tank) Oil Hose Sprocket Chain Crankcase Union Fitting (Lower) Crankcase Oil Gallery Oil Pump (Scavenging) Oil Strainer
Oil Tank
EH50PL Oil Flow Chart