31216-ZW9-801 Yoke - Overview. The 31216-ZW9-801 Yoke is an integral component of Honda marine engine systems, specifically designed to facilitate the seamless transfer of mechanical motion within the engine's power transmission assembly. As a genuine OEM part, the yoke supports the starter motor system and is critical in ensuring reliable engine starting performance. The part is engineered to meet factory specifications in terms of dimensions and tolerances, ensuring perfect compatibility and i