1996 Johnson Evinrude "ED" 40 thru 55 2-Cylinder Service Manual, P/N 507124, Page 182Get this manual
Exhaust Housing Servicing40RS, 40, 48, 50 Removal 1Remove the powerhead as described in Section 42Remove the gearcase as described in Section 6
[I] 3Remove the three lower mount cover screws4Separate the lower mount covers from the swivel bracket
5Check thecondition of the lower front mount and the two lower side mou nts 6Remove the three upper mount to inner exhaust housing screws
7Lift the exhaust housing assembly from the swivel bracketDisassembly f51 1Remove the four inner exhaust housing to exhaust housing screws