41112-ZV5-010 Vertical Shaft - Overview. The 41112-ZV5-010 Vertical Shaft is a crucial component in Honda marine engine systems, specifically designed to support the propulsion system of Honda outboard engines. Its primary function is to transmit rotational power from the engine to the propeller assembly, enabling efficient boat propulsion and reliable performance on the water. Crafted to meet exact factory specifications, this vertical shaft ensures seamless integration with existing parts, mai