1996-2005 Suzuki DF40, DF50 Four Stroke Outboard Service Manual, Page 209Get this manual
POWER UNIT 6-66
ENGINE LUBRICATION SYSTEM
A crankshaft driven trochoid type pump provides engine oil to all power unit components requiring lubricationOil from the oil pan is drawn through the oil strainer and passed through spin-on type oil filter before entering the main oil galleryA pressure regulator (relief valve) is positioned between the oil pump and oil filter to maintain oil pressure at constant levelFrom the main gallery, oil flow is directed through either drilled internal passages or by splash method to those surfaces requiring lubricationENGINE OIL LUBRICATION CHART
OIL PRESSURE SWITCH No.1 CRANKSHAFT MAIN JOURNAL No.1 CRANK PIN No.2 CRANKSHAFT MAIN JOURNAL No.2 CRANK PIN No.3 CRANKSHAFT MAIN JOURNAL No.3 CRANK PIN No.4 CRANKSHAFT MAIN JOURNAL