| 摘要 |
An outboard motor to be mounted to a hull comprises an engine holder connected to the hull, an engine mounted on the engine holder in a perpendicular fashion in which a crank shaft of the engine extends vertically, an oil pan mounted to a lower portion of the engine holder, and an oil pump for supplying an oil stored in the oil pan to the engine, in which the engine including a crank case, a cylinder block and a cylinder head, which are all secured to the engine holder by fastening bolts for improving the rigidity of a mounted engine and that of an assembled outboard motor and simplifying the structure thereof.
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