41121-ZVD-000 Pinion Shaft - Overview. The 41121-ZVD-000 Pinion Shaft is a crucial component within Honda marine engine systems, specifically designed for the gearbox system. It plays an essential role in transmitting rotational power from the engine to the propeller, facilitating smooth forward and reverse movement. Ensuring seamless integration with existing parts, this pinion shaft maintains optimal performance and durability in your marine drivetrain.. Key Features. The pinion shaft function