90174-ZW4-000 Bolt (5X23) (CT200) - Overview. The 90174-ZW4-000 Bolt (5X23) (CT200) is a precision-engineered flange bolt designed specifically for Honda marine engine systems, particularly suitable for the CT200 series. This bolt plays a critical role in securely fastening components within the engine assembly, ensuring structural integrity and reliable operation of your marine engine. Crafted to exact Honda factory standards, it ensures seamless integration with existing parts, maintaining opt