Outboard motor

摘要

An outboard motor includes an engine including a crankshaft that is rotatable about a rotation axis extending in an up-down direction, and a crank chamber that houses the crankshaft. The outboard motor includes an oil pan disposed under the engine to retain lubricating oil to be supplied to at least the crank chamber. The outboard motor includes an oil recovery passage and a first blowby gas passage separate from the oil recovery passage. The oil recovery passage extends downward from the crank chamber to the oil pan and is configured to lead lubricating oil inside the crank chamber to the inside of the oil pan. The first blowby gas passage extends downward from the crank chamber to the oil pan and is configured to lead a blowby gas inside the crank chamber to the inside of the oil pan.

主权项

1. An outboard motor comprising:
an engine including a crankshaft that is rotatable about a rotation axis extending in an up-down direction, and a crank chamber that houses the crankshaft; an oil pan that is disposed under the engine and retains lubricating oil to be supplied to at least the crank chamber; an oil recovery passage that extends downward from the crank chamber to the oil pan and leads lubricating oil inside the crank chamber to an inside of the oil pan; and a first blowby gas passage that is separated from the oil recovery passage and extends downward from the crank chamber to the oil pan and that leads a blowby gas inside the crank chamber to an inside of the oil pan.