Outboard motor and watercraft including the same

An outboard motor comprising:

• an engine;
• a water intake opening arranged to suck in water;
• and
• a water supply path arranged to supply the water sucked in through the water intake opening to the engine;
• wherein
• the engine includes:
• a cylinder block including a plurality of cylinders each including a piston slidably accommodated therein, the cylinder block including a water jacket arranged to cause water to flow therein;
• a cylinder head attached to the cylinder block so as to cover the cylinders and defining a combustion chamber together with each of the cylinders and the corresponding piston, the cylinder head including an exhaust port facing the combustion chamber to discharge exhaust gas from the combustion chamber and also including a water jacket arranged to cause water to flow therein;
• an exhaust pipe provided to the cylinder head so as to communicate with the exhaust port and including a water jacket arranged to cause water to flow therein;
• and
• a water path arranged to cause the water supplied from the water supply path to flow in the water jacket of the cylinder head, the water jacket of the exhaust pipe, and the water jacket of the cylinder block in this order.