41122-ZV0-000 Vertical Shaft Pin - Overview. The 41122-ZV0-000 Vertical Shaft Pin is an essential component in Honda marine engine systems. This pin plays a crucial role in supporting the vertical shaft system, facilitating the proper mechanical connection and secure engagement between moving parts. Precisely engineered to meet factory standards, it helps maintain smooth operation and reliable performance of your marine engine's drive system. Its OEM design ensures seamless integration with exis