1998 Johnson Evinrude "EC" 90, 100C, 105C, 115, 150, 150C, 175 60 deg. LV Service Manual, P/N 520210, Page 196Get 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)rn 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 housing[] 2Lift the adapterinner exhaust housing out of the exhaust housing