| 摘要 |
PROBLEM TO BE SOLVED: To constantly lubricate a space of a spline coupling of a crank shaft of an engine with a drive shaft of a screw by utilizing an existing lubricating oil passage feeding the lubricating oil to components to be lubricated of the engine. SOLUTION: A part of the lubricating oil in the lubricating oil passage 1 formed in the engine 2 of an outboard motor 1 is press-fed to the space of the spline coupling of the crank shaft 3 with the drive shaft 5. |
