92101-06025-0B Hex (6x25) Bolt - Overview. The 92101-06025-0B Hex (6x25) Bolt is a critical fastening component designed specifically for Honda marine engine systems. It plays an essential role in ensuring that various components within the engine assembly are securely held together, supporting the engine's reliability and longevity. Engineered to the exact factory specifications, it ensures seamless integration with existing parts, maintaining optimal performance and durability.. Key Features.