Patent ID: 7247067
Filing Date: 2007-07-24
Classification: B63B,B63H,F01P,F02D,F02M,Y02T

Abstract:
1. A watercraft comprising a hull, an engine disposed within the hull, a seat generally positioned over the engine, the hull comprising a foot step on each lateral side of the seat, the engine comprising an engine body defining a cylinder, a combustion chamber provided in the cylinder, a piston disposed within the cylinder, the piston being connected to a crankshaft, the crankshaft extending in a longitudinal direction of the hull, the engine also comprising a cylinder head, the cylinder head comprising an intake port side that is located on one lateral side of the engine opposite an exhaust port side located on an opposite lateral side of the engine, an intake system comprising an intake manifold communicating with the combustion chamber on the intake port side and a plenum chamber connected to and disposed upstream from the intake manifold, and an exhaust system communicating with the combustion chamber on the exhaust port side, the exhaust system comprising an exhaust conduit that extends along the intake port side of the engine to an outside environment, the intake manifold being positioned on the intake port side of the engine generally vertically above the exhaust conduit, the plenum chamber being disposed lower than the intake manifold.