90001-ZW9-000 Bolt (6X34) - Overview. The 90001-ZW9-000 Bolt (6X34) is a high-quality genuine OEM component designed specifically for Honda marine engine systems. This bolt plays a critical role in securing parts within the engine's connecting rod assembly, contributing to the reliable mechanical operation that marine engines demand. Engineered to fit perfectly with existing systems, it ensures seamless integration with existing parts, maintaining optimal performance and durability.. Key Feature