31110-ZW6-004 Flywheel - Overview. The 31110-ZW6-004 Flywheel is a crucial component in Honda marine engine systems. It serves as a rotating disc that stores rotational energy and helps ensure smooth and continuous operation of the marine outboard motor. Engineered for precision and durability, it seamlessly integrates with existing hardware, maintaining optimal performance and longevity in demanding marine environments.. Key Features. Genuine OEM Honda part designed to meet factory specificatio