1991 Johnson/Evinrude Models "EI" 40 thru 55 Service Manual, Page 183Get this manual
Exhaust Housing Servicing45, 55 Removal If equipped with power trim and tilt, refer to Section 10 for removal instructions1Remove the powerhead as described in Section 4
2Remove the gearcase as described in Section 6
[!] 3Remove the
port and the starboard lower mount bracket
4Remove the port and starboard lower mount to lower mount bracket screws
Remove the upper mount to exhaust housing adapter screws
6 Lift the exhaust housing and adapter assembly from the swivel bracket
Disassembly