1993 Johnson Evinrude "ET" 90 degrees LV Service Repair Manual, P/N 508287, Page 199Get this manual
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1sl 5 Loosen in stages and remove the main bearing screwsUpper port screw is removed with 38 inAllen socket1,l 6 Using tool as drawn on page 4-8, or equivalent, push crankcase taper pin toward intake