| 摘要 |
PROBLEM TO BE SOLVED: To provide an outboard motor capable of sharing an engine in a catalyst mounted model and a catalyst non-mounted model.SOLUTION: An outboard motor includes an exhaust manifold 24 provided with: a first passage 26 including a plurality of first openings 25 to which a plurality of exhaust ports are connected, and extending vertically; and a second passage 28 arranged below the first passage 26, and including, at its lower end part, a second opening 27 connected to a third passage 29 formed in an engine holder 11. The exhaust manifold 24 includes the first passage 26 and the second passage 28 formed integrally, and is molded separately from a cylinder head 15 and a cylinder block 14 so as to be formed in an attachable/detachable manner.SELECTED DRAWING: Figure 2 |
