90013-ZZ5-M01 bolt-washer (6x25) - Overview. The 90013-ZZ5-M01 bolt-washer (6x25) is a high-quality fastening component designed specifically for Honda marine engine systems. This bolt-washer plays a crucial role in securely fastening and mounting various engine parts, helping to maintain the integrity and functionality of your marine engine. Engineered to precise factory specifications, it ensures seamless integration with existing parts, maintaining optimal performance and durability.. Key Fea