1989 Johnson/Evinrude 40 thru 55 HP Models Service Manual P/N 507755, Page 123Get this manual

1989 Johnson/Evinrude 40 thru 55 HP Models Service Manual P/N 507755, Page 123

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AII cranking output tests must performed with spark plugs installed and torqued in the cylinder headIf necessary to remove the spark plugs, sure to keep the spark tester away from spark plug holes