94305-25203 Spring (2.5X20) Pin - Overview. The 94305-25203 Spring (2.5X20) Pin is a precisely engineered component essential to Honda marine engine systems. This spring pin serves as a secure fastening device that facilitates mechanical connections within the marine rigging or accessory systems. Designed specifically to meet Honda's rigorous factory specifications, this part ensures seamless integration with existing parts, maintaining optimal performance and durability.. Key Features. Spring p