90054-ZY9-M00 flange (8X35) bolt - Overview. The 90054-ZY9-M00 flange (8X35) bolt is a crucial fastener in Honda marine engine systems, specifically designed to secure components reliably. As a genuine OEM part, it plays an essential role in maintaining the structural integrity and functionality of marine engines, ensuring seamless integration with existing parts, maintaining optimal performance and durability.. Key Features. Precise flange bolt measuring 8x35mm, tailored for marine applications