1994 Johnson/Evinrude Outboards 40 thru 55 Service Manual, Page 189Get this manual
Exhaust Housing Servicing40, 48, 50 Removal
1Remove the powerhead as described in Section 42Remove the gearcase as described in Section 6
GJ 3Remove the three lower mount cover screws[3] 4Separate the lower mount covers from the swivel bracketf21 f31 5Check thecondition of the lower front mount and the
two lower side mou nts
f41 6Remove the three upper mount to inner exhaust housing
screws7Lift the exhaust housing assembly from the swivel bracketDisassembly