Patent ID: 6234855
Filing Date: 2001-05-22
Classification: F02B

Abstract:
An outboard motor comprising a power head containing an internal combustion engine, a driveshaft housing depending from said power head and containing a driveshaft driven by said engine and extending generally vertically, and a lower unit depending from said driveshaft housing and including a propulsion device driven by said driveshaft, said engine communicating with an exhaust system for discharging exhaust gases from said engine, said exhaust system including an exhaust conduit extending through said driveshaft housing at least in part, said driveshaft housing having at least two lateral side wall portions, a bottom wall portion, and a rib generally transversely extending from one of said lateral side wall portions to another one of said lateral side wall portions between said driveshaft and said exhaust conduits, said rib also extending generally upwardly from said bottom portion.