90002-ZY6-000 flange (10x40) bolt - Overview. The 90002-ZY6-000 flange (10x40) bolt is a critical fastener used in Honda marine engine systems. This flange bolt, measuring 10mm in diameter and 40mm in length, is designed to provide secure mounting for various engine and rigging components. Its primary role is to maintain the structural integrity and reliable performance of your marine engine by ensuring all components are tightly held together, preventing leaks and mechanical failures. Crafted t