Patent ID: 7380533

Claim:
An outboard motor provided with an internal combustion engine including: a cylinder block provided with a plurality of in-line cylinders; a cylinder head joined to the cylinder block, the cylinder head defining combustion chambers respectively corresponding to the cylinders and provided with intake ports respectively opening into the combustion chambers; a vertical crankshaft having a vertical axis; and an electrical equipment box holding electrical equipment; the internal combustion engine having an intake-side part on one side of a vertical plane containing a horizontal center axis of the outboard motor with respect to a transverse direction and an exhaust-side part on the other side of the vertical plane: wherein an exhaust manifold passage for carrying exhaust gas from the combustion chambers is formed in a part of the cylinder head in the exhaust-side part on the side of the cylinder head with respect to a joint surface of the cylinder block joined to the cylinder head, an exhaust passage is formed in the cylinder block so as to connect to an outlet of the exhaust manifold passage in the joint surface, and the electrical equipment box is placed in the exhaust-side part so as to overlap the exhaust passage when viewed in a vertical direction.