1991 Johnson Evinrude EI 60 Loop V Models 150, 175 outboards Service Manual, Page 123Get this manual
& General Safety Warnings The timing wheel cover is machinery guardUse caution when servicing running engineDo not wear jewelry or loose clothingTo prevent possible fire or explosion under the engine cover after servicing: Check entire fuel system for leCiks Make sure all electrical and ignition leads are routed and clamped in their original positions away from rotating engine parts which could cut or abrade wire insulationTo avoid accidental starting of engine while adequate precautions to disarm the ignition system:
Connect engine wiring harness to boat ,wiring harness with key switch in OFF position'';