41112-ZVP-602 Vertical Shaft - Overview. The 41112-ZVP-602 Vertical Shaft is a critical component designed specifically for Honda marine engine systems. This shaft is part of the power transmission system, ensuring reliable transfer of mechanical motion from the engine to other marine system components. Given its role, it supports the engine's core functionality and contributes to smooth and efficient power delivery for optimal marine operation. Crafted to meet Honda's factory specifications, th