90006-ZM7-000 Flange (5X23) Bolt - Overview. The 90006-ZM7-000 Flange (5X23) Bolt is a crucial fastening component within Honda marine engine systems. Specifically designed to secure components reliably, this flange bolt supports the structural integrity and mechanical stability needed for marine equipment operation. Crafted to strict OEM standards, it ensures seamless integration with existing parts, maintaining optimal performance and durability.. Key Features. Precisely sized flange bolt meas