1999 "EE" 90, 115 FFI, 150, 175 V4, V6 FFI Outboards Service Manual, P/N 787024, Page 195Get this manual
Exhaust Housing Servicing
Removal 1Remove the gearcase as described in Section 112Remove the powerhead as described in Section 9[]J
3Remove the four screws (lower mount to bracket)4Remove the exhaust housing,!
5Remove the lower mount covers and inspect the lower mounts