90017-ZY3-000 Flange (6X16) Bolt - Overview. The 90017-ZY3-000 Flange (6X16) Bolt is a crucial component in Honda marine engine systems. This bolt plays a fundamental role in securing engine parts, ensuring the mechanical integrity and reliability needed in marine environments. Engineered to meet precise factory specifications, it guarantees seamless integration with existing parts, maintaining optimal performance and durability.. Key Features. OEM flange bolt measuring 6x16mm designed specifica