| 摘要 |
An outboard motor having an engine compartment covered by an engine cover at its top portion and having an engine disposed within the engine compartment with its crankshaft directed in the vertical direction, in which charging efficiency of the engine is improved with a simple structure and a shielding property of the entire surrounding of the engine is also enhanced. A suction chamber communicating with an intake section of the engine is disposed on a surface other than the top surface of the engine and on one side of the inside of the engine compartment, an air intake port is provided in the engine cover at a position close to the other side of the inside of the engine compartment, an air exhaust port is provided in the engine cover, and a duct is provided within the engine compartment for leading air from the air intake port towards the suction chamber while making a detour to avoid a route above the engine.
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