1990 Johnson Evinrude "ES" 40 thru 55, P/N 507872, Page 78Get this manual

1990 Johnson Evinrude "ES" 40 thru 55, P/N 507872, Page 78

Testing Purpose

The following procedure is designed to help you isolate defective component in the boat or engine fuel system The problem might cause loss of engine performance or, if left unrepaired, might cause serious powerhead damageAfter you have isolated the component, refer to Servicing, this Section, for specific repair procedures
Test Procedure '" To avoid accidental starting of engine while changing

ill propellers, twist and remove all spark plug leads

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