Marine engine

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.