1993 Johnson Evinrude "ET" 90 degrees LV Service Repair Manual, P/N 508287, Page 254Get this manual
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f.I5l 8 Clean and degrease the adapter housing and outer exhaust housing mating surfaces with OMC Cleaning SolventApply OMC Gel Sealto the adapter flange of the outer exhaust housing f161 9 Install th