17202-Zv4-310 Distance Collar - Overview. The 17202-ZV4-310 Distance Collar is a specialized component designed for Honda marine engine systems. It functions as a precise spacer or collar that helps maintain accurate positioning and clearance between mechanical parts, ensuring the smooth operation of the engine assembly. This collar plays a vital role in preserving the integrity of the engine's rigging and accessories, providing reliable spacing while preventing misalignment or wear. Manufacture