90009-ZVL-013 Bolt-Washer (10X80) - Overview. The 90009-ZVL-013 Bolt-Washer (10X80) is a vital component within Honda marine engine systems. This bolt and washer assembly plays a crucial role in securely fastening engine parts, contributing to the overall mechanical integrity and performance of the engine. Carefully engineered to meet factory specifications and tolerances, it ensures seamless integration with existing parts, maintaining optimal performance and durability.. Key Features. This par