90042-ZY9-M00 Flange (6x10) Bolt - Overview. The 90042-ZY9-M00 Flange (6x10) Bolt is an essential fastening component designed for Honda marine engine systems. This bolt plays a crucial role in securely fastening flanges and other components, helping maintain the structural integrity of your marine engine. Made to precise factory specifications, it ensures seamless integration with existing parts, maintaining optimal performance and durability.. Key Features. Robust flange bolt specifically size