1998 Johnson Evinrude "EC" 9.9 thru 30 HP 2-Cylinder Outboards Service Repair Manual P/N 520204, Page 166Get this manual
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aID 6 Remove all the screws from the cylinder head water cover,
I Note Check the inner exhaust cover for pitting and flatnessIf
pitting exists or the cover is warped, discard it and