1985-1995 Polaris ATV and Light Utility Hauler Service Manual, Page 281Get this manual
ENGINES Magnum Engine Internal passage to camshaft (front left head bolt)
Oil filter Oil feed to filter
From filter to crankshaft One way valve Bottom fitting is oil exhaust or return to tank Top fitting is oil feed or intake from bottom of tank
Top of Oil Tank Oil Tank Oil Hose Union Fitting (Upper) Screen Fitting (Bottom of Tank)
Union Fitting (Lower) Crankcase Oil Gallery