Patent ID: 6695658
Filing Date: 2004-02-24
Classification: B63B,B63H,F01M,F02B

Abstract:
A watercraft comprising a hull including a lower portion and an upper portion, an engine compartment defined between the upper and lower portions, a four-cycle internal combustion engine supported within the engine compartment, the engine including an engine body defining at least one combustion chamber therein, and a valve train comprising at least one intake valve configured to control air flow into the combustion chamber and at least one exhaust valve configured to control flow of exhaust gases out of the combustion chamber, an induction system configured to guide air to the engine body, a crankshaft journaled for rotation at least partially within the engine body, a plurality of oil galleries defined within the engine body configured to guide oil to at least portions of the valve train and the crankshaft, an oil reservoir having a removable lid, an oil pump arrangement configured to circulate oil between the reservoir and the oil galleries, and a breather baffle arrangement connected to the lid, the baffle arrangement comprising at least upper and lower baffle members, each baffle member having at least one gas aperture configured to allow a gas to pass therethrough, a vapor outlet disposed in the lid and positioned such that vapor from the interior of the reservoir must pass through the baffle arrangement in order reach the vapor outlet, and a skirt extending downwardly from a lower surface of the lower baffle member, the skirt extending around a periphery of the aperture in the lower baffle member.