90754-921-010 Pin (5X17) - Overview. The 90754-921-010 Pin (5X17) is a critical hardware component used within Honda marine engine systems. This pin is specifically designed to support mechanical assemblies such as shift shafts, carrying handles, and cover lock levers, providing secure mounting and reliable mechanical motion essential for smooth engine operation. Engineered to factory specifications, it ensures seamless integration with existing parts, maintaining optimal performance and durabil