1993 Johnson Evinrude "ET" 90 degrees CV Service Manual, P/N 508285, Page 166Get this manual
Disassembly 1ol 1To separate the adapter and the inner exhaust housing assembly from the outer exhaust housing, remove the front two rubber thrust mount screws and five retaining screws L!J
19l 2Remove the remaining thrust mount screwLift the mount
plate and pry the mount
from the adapter
f1Ol 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