1987 Johnson Evinrude "CD" Colt/Junior thru 55 Commercial service repair manual, P/N 507546, Page 340Get this manual
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3 Clean all sealant from the threads on the two upper mount bracket to steering bracket screwsSpray threads of screws with OMC Locquic PrimerApply OMC Nut Lock to threads of screwsPosition the swivel