Patent ID: 8469754

Claim:
An outboard motor comprising: an engine including a plurality of cylinders aligned in a vertical direction; a propeller including a propeller boss, the propeller being disposed below the engine; a plurality of exhaust ports connected to each of the plurality of cylinders; and an exhaust passage including: a first passage that is connected to the exhaust ports, extends in a vertical direction, and collects exhaust discharged from the exhaust ports; a second passage that extends laterally from the first passage; a third passage that is connected to the second passage, extends downward from the second passage, and is disposed on a side of the cylinders; and a fourth passage that is connected to the third passage, is positioned below the engine, guides the exhaust to below the engine, and discharges the exhaust to outside the outboard motor via the propeller boss; a catalyst member disposed in the third passage and including a catalyst and a catalyst carrier configured to support the catalyst; and a water capture member disposed downstream of the catalyst member in the third passage.