90017-ZY6-000 Flange (10X80) Bolt - Overview. The 90017-ZY6-000 Flange (10X80) Bolt is a high-quality OEM flange bolt designed specifically to support Honda marine engine systems. This bolt plays a critical role in securely fastening components with flanges, ensuring reliable assembly and operation of the engine's rigging and accessories. Manufactured to exact factory specifications, it ensures seamless integration with existing parts, maintaining optimal performance and durability.. Key Feature