1992 Johnson Evinrude "EN" 90 deg. Cross V Service Manual, P/N 508145, Page 206Get this manual
G41 7 Clean and degrease the exhaust housing and adapter mating surfaces with OMC Cleaning SolventApply OMC Gel-Seal" to adapter flange of the outer exhaust housingHand tighten the five small retaining screws
r:t5l1161 8Place the adapter onto the outer exhaust housingf171 9Align the adapter with outer exhaust housing by placing two or more ofthe long powerhead retaining screws through the adapter and outer exhaust housing10Apply OMC Nut Lock to threads of the front two upper thrust mount screwsPlace the ground lead CD under head of the starboard screw