Patent ID: 6044817
Filing Date: 2000-04-04
Classification: F01L,F02B

Abstract:
A drive arrangement for an engine of an outboard motor, the motor including a cowling and a water propulsion device, the engine positioned in said cowling and having a body having a top end and a bottom end and defining at least one combustion chamber, said engine having a generally vertically extending crankshaft having a bottom end in driving relation with said water propulsion device and a top end extending above said top end of said body of said engine, said engine including an intake system including an intake passage through which air is provided to each combustion chamber, at least one intake valve for controlling the flow through said intake passage, and at least one intake camshaft for actuating said at least one intake valve and an exhaust system including an exhaust passage leading from each combustion chamber, at least one exhaust valve for controlling the flow of exhaust through said exhaust passage, and at least one exhaust camshaft for actuating said at least one exhaust valve, said engine including at least one accessory driven thereby, said drive arrangement including a flywheel positioned on said crankshaft adjacent said top end of said engine and a camshaft drive pulley positioned on said crankshaft above said flywheel, said camshaft drive pulley driving a first flexible transmitter which drives a driven pulley connected to at least one of said camshafts, said crankshaft further arranged to drive a second flexible transmitter which drives a pulley associated with said accessory.