90108-ZY3-000 Bolt-Washer (6X16) - Overview. The 90108-ZY3-000 Bolt-Washer (6X16) is an essential fastener component designed specifically for Honda marine engine systems. This bolt-washer assembly, measuring 6mm x 16mm, plays a crucial role in securing and fastening various parts within the marine engine and rigging systems. By ensuring the integrity of mechanical connections, it helps maintain reliable operation and performance of outdoor and marine engines. Crafted to seamlessly integrate wit