| 摘要 |
PROBLEM TO BE SOLVED: To prevent the salt attaching without filling the connection part of a crankshaft with a drive shaft by a lubrication oil. SOLUTION: In this outboard motor, a drive shaft 26 is connected to the lower end of a crankshaft 10 attachably/detachably and also an oil pump 29 is installed on the lower end of the crankshaft. An insertion hole penetrated vertically is formed on the lower case 117 for preventing the lubrication oil leak in the oil pump by covering the lower side of the oil pump and the crankshaft and drive shaft are inserted turnably in the insertion hole and also an upper seal material 137 for sealing liquid-tightly the space toward the crankshaft and a lower seal material 138 for sealing liquid-tightly the space toward the drive shaft are arranged. |
