| 主权项 |
1. A boat propulsion device comprising:
an engine including a crankshaft extending in an up-and-down direction; and a cowling accommodating the engine; wherein the cowling includes a first cowling portion made of resin, a second cowling, and a coupling mechanism configured to couple the first cowling portion to the second cowling portion; the coupling mechanism includes a first lock portion and a second lock portion, the first lock portion is attached to the first cowling portion, and the second lock portion is attached to the second cowling portion and locks with the first lock portion; the first cowling portion includes a cowling main body and a support portion, the support portion has a plate shape, the support portion is erected on an inner surface of the cowling main body, and the support portion supports the first lock portion; the support portion includes a small thickness section and a large thickness section, the small thickness section is connected with the inner surface, the large thickness section includes an attachment surface to which the first lock portion is attached, and the large thickness section is continuous with the small thickness section; and a thickness of the large thickness section is greater than a thickness of the small thickness section in a direction perpendicular or substantially perpendicular to the attachment surface. |
