2003 ST 4 Stroke 9.9/15HP Johnson outboards Service Manual, Page 152Get this manual
POWER UNIT ENGINE LUBRICATION SYSTEM
ENGINE LUBRICATION SYSTEM
Engine oil stored in the oil pan is pumped up by the trochoid type pumpENGINE OIL LUBRICATION CHART
CRANKSHAFT UPPER BEARING
CAMSHAFT UPPER JOURNAL
Number CYLINDER WALL
cOIL PRESSURE SWITC)
Number CRANK PIN