92101-05025-4J Hex (5X25) Bolt - Overview. The 92101-05025-4J Hex (5X25) Bolt is a critical fastening component designed to secure parts within Honda marine engine systems. This hex bolt, with its 5mm diameter and 25mm length, plays an essential role in maintaining the structural integrity of the engine assembly and related equipment. Crafted to match factory specifications and tolerances, it ensures seamless integration with existing parts, maintaining optimal performance and durability.. Key F