Patent ID: 8336517
Filing Date: 2012-12-25
Classification: B63H,F02B,F02M,Y02T

Abstract:
1. An outboard motor, comprising: an engine which is arranged to support a crankshaft extending along an up-down direction; an engine cover which is arranged to cover the engine; and a partitioning member which is arranged to partition an inside of the engine cover into a lower chamber accommodating the engine and an upper chamber, the partitioning member having a communication hole arranged to cause the upper chamber to communicate with the lower chamber; wherein the engine cover has an air inlet which is arranged in an upper portion of the engine cover and is arranged to cause the upper chamber to communicate with the atmosphere, and an air outlet which is arranged at a lower end portion of the engine cover and is arranged to cause the lower chamber to communicate with the atmosphere, the outboard motor further comprising: