1996 Johnson/Evinrude Outboards 50 thru 70 3-Cylinder Service Manual, Page 66Get this manual
Testing Purpose
The following procedure is designed to help you isolate defective component in the boat or engine fuel systemThe problem might cause loss of engine performance or, if left unrepaired, might cause serious powerhead damageAfter you have isolated the component, refer to Servicingthis Section, for specific repair proceduresTesting Procedure
&To avoid accidental starting of engine while changing propellers, twist and remove all spark plug leadsNotel Some checks require that the engine be run at full throttle
under loadInstall the correct test propeller and run the engine in suitable test tank1Start engine and allow it to reach normal operating temperatureI Note Push fuel hose off fuel fitti ngsdon't pullIf push ng