90015-ZVL-010 Bolt-washer (6X27) - Overview. The 90015-ZVL-010 Bolt-washer (6X27) is a critical fastening component designed for Honda marine engine systems. This bolt washer assembly consists of a 6mm diameter bolt and a 27mm washer, serving an essential role in securely fastening parts within the marine rigging and accessories system. It ensures seamless integration with existing parts, maintaining optimal performance and durability on your Honda marine equipment.. Key Features. Genuine OEM Ho