91503-ZV5-000 Collar (6.5X10.5X16) - Overview. The 91503-ZV5-000 Collar (6.5X10.5X16) is a critical component within Honda marine engine systems. Designed to provide precise distance spacing, this collar ensures the correct positioning of connected parts to maintain mechanical alignment and optimal system function. With dimensions of 6.5mm inner diameter, 10.5mm outer diameter, and 16mm length, this component offers seamless integration with Honda's marine engine rigging and accessory systems, p