Yamaha Drive Sprocket 93812-14814-00. Overview. The Yamaha Drive Sprocket 93812-14814-00 is a genuine original equipment manufacturer component designed to deliver precise power transfer within your engine or drive system. This sprocket plays a critical role in transmitting rotational force, ensuring smooth and efficient operation of connected components.. Engineered to Yamaha's strict standards, this drive sprocket provides accurate alignment and consistent performance. Whether replacing a worn