Patent ID: 8715020
Filing Date: 2014-05-06
Classification: B63H,F02B,F16F

Abstract:
1. An outboard motor comprising: an engine including a crankshaft that is rotatable around a crank axis extending in an up-down direction and includes an upper end portion disposed along the crank axis; a flywheel that is disposed above the upper end portion of the crankshaft and includes a joint portion joined to the upper end portion; a twisting member that is disposed along the crank axis above the upper end portion of the crankshaft, and that rotates around the crank axis together with the crankshaft; a damper that is disposed above the flywheel at a distance from the flywheel, and joined to the twisting member; a drive wheel that rotates around the crank axis together with the crankshaft, the drive wheel and the damper defining a unitary member wherein an upper portion of the unitary member defines the damper and a lower portion of the unitary member defines the drive wheel; a driven wheel that rotates around an axis parallel to the crank axis; and a transmission member that is wound around the drive wheel and the driven wheel, and transmits rotation of the drive wheel to the driven wheel.