90103-ZVD-000 Hex (6X140) Bolt - Overview. The 90103-ZVD-000 Hex (6X140) Bolt is a crucial component designed specifically for Honda marine engine systems. This bolt supports the integrity of critical assemblies by providing precise fastening where strength and reliability are essential. Engineered to OEM specifications, it ensures seamless integration with existing parts, maintaining optimal performance and durability.. Key Features. Genuine OEM Honda hexagonal bolt, measuring 6mm in diameter a