1985-1995 Polaris ATV and Light Utility Hauler Service Manual, Page 280Get this manual
ENGINES Magnum LubricationOil Flow
Engine Lubrication
Oil Type Polaris Premium Synthetic (PN 2871281); or API certified "SH" 5W30 oil Capacity U.SQuarts (1.9 I) Filter PN 3084963 Filter Wrench Snap On PN YA997 or equivalent Drain Plug Torques 14 ftIbs(1.9 kgm) tank and sump Oil Pressure Specification 20 PSI 5500 RPM, Polaris OW40 Synthetic (Engine Hot)