1995 Johnson/Evinrude Outboards 9.9, 15 four-stroke Service Manual, Page 144Get this manual
Exhaust Housing Service
Removal and Disassembly
1Remove the lower engine covers as described in Section 42Remove the powerhead as described in Section 43Remove the gearcase as described in Section 6
4Remove the noise suppressor for cleaning or replacementRemove exhaust housing cover and gasket5Remove cover sealwater sealand exhaust seal