90003-ZW2-000 Bolt-Washer (6X27) - Overview. The 90003-ZW2-000 Bolt-Washer (6X27) is a precision-engineered fastening component designed specifically for use in Honda marine engine systems. This bolt-washer combination serves a crucial role in securing various marine engine assemblies, ensuring reliable and durable connections that support the system's structural integrity. Its exact dimensions and factory specifications allow it to seamlessly integrate with existing parts, maintaining optimal p