1997 Johnson Evinrude "EU" 90, 105RW, 115, 150, 150W, 175 60 LV Service Manual, P/N 507268, Page 190Get this manual
Exhaust Housing Servicing
Removal
1Remove the gearcase as described in Section 62Remove the powerhead as described in Section 4
rn 3Remove the four screws (lower mount to bracket)
4Remove the exhaust housing
5Remove the lower mount covers and inspect the lower mountsDisassembly
1Remove the front and rear screws retaining the adapter inner exhaust housing to the exhaust housing2Lift the adapterinner exhaust housing out of the exhaust housing,