1998 Johnson Evinrude "EC" 90, 115 SPL Service Manual, P/N 520209, Page 167Get this manual
Disassembly
rn 1To from the outeradapter and the inner exhaustfront two separate the housing assembly exhaust housing, remove the
rubber thrust mount screws and five retaining screws]2Remove the remaining thrust mount screwLift the mount plate and pry the mount from the adapter
3The inner exhaust housing and the water tube are attached to the adapter with five screwsIf necessary to disassemble, remove the five screws and lift the inner exhaust housing from the adapterDiscard the gasket
4The water tube and water tube grommet can be removed from the base of the inner exhaust housingAssembly
1Place the upper thrust mount into the adapterPosition radius side of the mount facing aft and "TOP" mark facing up2Place the mount plate onto the thrust mount