Yamaha - Shaft,propeller - 6E5-45611-01-00Yamaha Propeller Shaft Lower Unit Drivetrain 6E5 45611 01 00 Overview When something feels off at the prop, the shaft is always worth a closer look. It takes all the engines power and transfers it straight to the prop, so any bend or wear shows up fast on the water. Ive seen even a slight tweak cause vibration or uneven performance that just doesnt go away. Replacing it gets everything spinning true again and brings back that smooth, solid feel you