1997 Johnsoon Evinrude "EU" 50 thru 70 3-Cylinder Service Manual, P/N 507266, Page 70Get this manual
6Test the "NO OIL" warning circuit Connect shop tank with 50: fueloil mix to the fuel inlet fitting Remove the protective cap from the oil inlet fitting Start the engine and run at 1000 RPM in gear After the residual oil is exhausted from the oil line, the System Check gauge "NO OIL" light should turn on and the warning horn should sound for ten seconds If the light does turn on, or the horn does not sound for ten seconds, check the warning system as described in Section 8, System Check Engine Monitor INote The
"LOW OIL" and "NO OIL" warning circuits alert the systemYou must operator to possible problems with the be sure they are functional before continuingIf they are not functional, serious powerhead damage might occur
7Complete the installation by connecting the oil supply hose to the engine's oil inlet fitting
Before attaching hose, squeeze oil primer bulb to purge all air from oil lineAllow small amount of oil to flow from the hose to remove any contaminants that might be in the line Install the oil hose on the oil inlet fittingUse only the ratchet clamp supplied with the kit to secure the lineTighten with pliers To complete priming, squeeze oil primer bulb until oil is visible at the sighttube located in the oil hose near the pump During break-in period, the engine's fuel tank must have 50: fueloil mixture in addition to operation