90011-ZY9-H00 Torx (M6X20) Bolt - Overview. The 90011-ZY9-H00 Torx (M6X20) Bolt is a crucial fastener supporting various Honda marine engine systems. This bolt plays an essential role in securing components reliably, ensuring safe and stable operation in demanding marine environments. Engineered specifically for Honda marine applications, it ensures seamless integration with existing parts, maintaining optimal performance and durability.. Key Features. High-quality Torx bolt with dimensions M6x2