1998 Johnson Evinrude "EC" 25, 35 HP 3-Cylinder Outboards Service Manual, Page 203Get this manual
7Remove the last extension mounting bolt located in the exhaust passage of the extension Remove the extension from the exhaust housingDisassembly
rn 1Remove the spacer assembly from the extension rn 2Remove and discard the grommet from the spacerAssembly
1Install the spacer onto the extension No sealer is required