90752-ZVL-600 Woodruff Key - Overview. The 90752-ZVL-600 Woodruff Key is a semi-circular metal component essential to Honda marine engine systems. It fits within the mechanical assembly to secure the connection between the shaft and pulley or gear, preventing any relative rotation and ensuring reliable power transmission. Engineered to the exact factory specifications, this genuine OEM part supports proper alignment and torque transfer in Honda marine powertrains, providing stability and enhance