1990 Johnson Evinrude "ES" 60 thru 70 Service Manual, P/N 507873, Page 72Get this manual
To verify oil consumption and proper fueloil ratios, proceed as outlinedAvoid pulling "E.S1763" fuel line off fuel fittingsPush off wherever possibleWhen removing "E.S1763" fuel line from fittings, carefully cut the hose to avoid damaging the fittings l'
To avoid accidental starting of engine while changing propellers, twist and remove all spark plug leads
1Install the proper test propeller and put engine in suitable test tank2Start the engine and allow it to reach normal operating temperature Stop the engine3 Carefully remove the oil supply hose from the pump oil inlet fitting
4Install and secure ten-inch (254 mm) length of in I.Dclear vinyl hose as shownThe hose should have in (76 mm) accurately identified in 12 in(13 mm) increments