US Patent 7189127 Watercraft propulsion machine

A watercraft propulsion machine equipped with an outboard motor is provided. The propulsion machine includes a propulsion machine body and the outboard motor. The propulsion machine body is detachably mountable to a hull. The outboard motor is mounted on a rotary shaft provided at the rear of the propulsion machine body and oriented longitudinally of the propulsion machine body. The outboard motor is fixedly mounted on the rotary shaft which is rotatably mounted to the propulsion machine body, and is swingable relative to the propulsion machine body.