1990 Johnson Evinrude "ES" 40 thru 55 Service Repair Manual, P/N 507872, Page 121Get this manual

1990 Johnson Evinrude "ES" 40 thru 55 Service Repair Manual, P/N 507872, Page 121

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IGNITION OUTPUT TESTS ill plugs installed and torqued in the cylinder headIf necesAll cranking output tests must be performed with spark sary to remove the spark plugs, be sure to keep the spark teste

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