1993 Johnson Evinrude "ET" 2 thru 8 Service Manual, P/N 508281, Page 197Get this manual
Exhaust Housing ServicingDeluxe thru 8
Removal
1Remove the powerhead as described in Section 42Remove the gearcase as described in Section 6
[!] 3Remove the two screws securing the lower mount housingsf214Remove the lower mount housingsthrust mount ,and the two lower side mounts f315Lift and twist the exhaust housing to free the upper mounts from the swivel bracket assemblyDisassembly