Patent ID: 7513812

Claim:
A marine engine comprising: a crankcase; a cylinder bank connected to the crankcase, the cylinder bank having an upper end, the upper end defining a plane; a cylinder head connected to the upper end of the cylinder bank; a crankshaft disposed in the crankcase for rotation therewithin; a camshaft disposed in the cylinder head for rotation therewithin, the camshaft being operatively connected to the crankshaft such that the camshaft is driven by the crankshaft; a pump operatively connected to an end of the camshaft, a center of the pump being disposed above the plane defined by the upper end of the cylinder bank; a counter-balance shaft operatively connected to the crankshaft and to the camshaft, the counter-balance shaft being driven by the crankshaft, and the camshaft being driven by the counter-balance shaft; a first gear disposed on the crankshaft; a second gear disposed on the counter-balance shaft, the first gear engaging the second gear; a first sprocket disposed on the counter-balance shaft; a second sprocket disposed on the camshaft; and a timing chain engaging the first and second sprockets.