1991 Johnson/Evinrude EI 60 thru 70 outboards Service Manual, Page 82Get this manual
Warning Signals
Push fuel hose off fuel fittingsdon't pullIf pushing won't separate hose and fitting, carefully cut the hose along its side and peel it back to avoid damaging the fittings
"Low Oil" Signal complete procedure for testing the "low oil" circuit can be found in Installation Recommendations, this Section "No Oil" Signal 1Connect shop tank with 50: fueloil mixture to the fuel inlet fitting2Carefully cut oil supply hose from the oil inlet fitting