91556-ZY3-000 Collar (6.5x9x3) - Overview. The 91556-ZY3-000 Collar (6.5x9x3) serves as a precision distance collar component within Honda marine engine systems. Designed to ensure precise spacing and secure fit in critical connection points, this collar supports the smooth operation and structural integrity of marine engines. Manufactured to match factory specifications, it ensures seamless integration with existing parts, maintaining optimal performance and durability.. Key Features. Genuine H