1999 "EE" Evinrude 5 thru 15 4-Stroke Service Manual, P/N 787022, Page 228Get this manual
Exhaust Housing Service9.915 (305cc) 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
6Remove the upper mount retaining bracketsRemove the upper mount to swivel bracket screw and nut
[] 7Remove the two lower mount bracket screws and bracketsRemove the housing from the swivel bracket[] 8Remove the two lower side mounts, lower front mount, and shift rod grommet[!]