Abstract: An outboard motor includes a cowling enclosing an engine, an ambient air intake defined by the cowling, and an intake passage introducing ambient air taken through the ambient air intake to the engine. The intake passage extends out of and above a top section of the cowling. An inlet portion of the intake passage communicates with the ambient air intake, and an outlet portion thereof communicates with an air inlet leading to a silencer of the engine the air inlet is positioned vertically higher than the intake passage inlet portion.

Abstract: An outboard motor includes an engine having an air intake device. The cowling has an engine room in which the engine is disposed. One or more air intake openings are formed through the cowling. A water separation device is included in the cowling interposed between the air intake opening and the engine room. A first intake passage of the water separator communicates with the ambient air opening. A second intake passage communicates with an upper portion of the first intake passage. If a large flow of water enters the first intake passage through the air opening, such water flows out of the cowling through another opening and/or into a holding chamber formed in the cowling so as not to flow into the second intake passage.

Abstract: An outboard motor includes a cowling enclosing an engine, an ambient air intake defined by the cowling, and an intake passage introducing ambient air taken through the ambient air intake to the engine. The intake passage extends out of and above a top section of the cowling. An inlet portion of the intake passage communicates with the ambient air intake, and an outlet portion thereof communicates with an air inlet leading to a silencer of the engine the air inlet is positioned vertically higher than the intake passage inlet portion.

Abstract: An outboard motor includes an engine having an air intake device. The cowling has an engine room in which the engine is disposed. One or more air intake openings are formed through the cowling. A water separation device is included in the cowling interposed between the air intake opening and the engine room. A first intake passage of the water separator communicates with the ambient air opening. A second intake passage communicates with an upper portion of the first intake passage. If a large flow of water enters the first intake passage through the air opening, such water flows out of the cowling through another opening and/or into a holding chamber formed in the cowling so as not to flow into the second intake passage.

Abstract: An outboard motor includes an engine having an air intake device. A cowling has an internal space in which the engine is disposed and an air intake opening through which ambient air is introduced into the internal space. The internal space defines an air intake passage connecting the air intake opening of the cowling to the air intake device of the engine. An air/water separator is disposed within the air intake passage for separating water from the air. The air/water separator has a relative large volume so as to temporarily hold water from a sudden flow of water that may flow into the cowling air intake. Water accumulated in the separator is drained from the cowling.