Patent ID: 8118631

Claim:
An outboard motor comprising: an upper casing; a four-stroke engine including a plurality of cylinders aligned vertically disposed in the upper casing; a lower casing disposed below the upper casing; a discharge section disposed in a lower portion of the lower casing and arranged to discharge burned gas generated in the plurality of cylinders; an exhaust passage arranged to extend from an inside of the upper casing to a lower portion of the lower casing and to guide the burned gas from the plurality of cylinders to the discharge section; a catalyst arranged to purify the burned gas in the exhaust passage, the catalyst being arranged in the upper casing; and a moisture capture member disposed downstream of the catalyst in the exhaust passage, the moisture capture member being arranged in the upper casing; wherein the moisture capture member is arranged to prevent moisture from flowing upstream of the moisture capture member; and a lowermost end of the upper casing is located at a position that substantially corresponds to a position of a lowermost portion of the four-stroke engine.