Yamaha - Shaft,propeller - 688-45611-00-00Yamaha Propeller Shaft Lower Unit Drive Shaft 688 45611 00 00 Overview The propeller shaft is a critical drivetrain component in Yamaha outboards, responsible for transferring rotational power from the engine to the propeller. It plays a central role in propulsion, enabling efficient movement of the boat through the water. Built to OEM specifications, this shaft is engineered for strength, precision alignment, and long lasting performance in demanding