90007-Mel-003 Bolt-Washer (9X105) - Overview. The 90007-Mel-003 Bolt-Washer (9X105) is a critical fastening component used within Honda marine engine systems. Designed to secure essential parts reliably, this combination bolt and washer plays an integral role in maintaining the structural integrity of various assemblies, especially around cylinder head installations. Its precise dimensions of 9mm diameter by 105mm length ensure seamless integration with existing parts, maintaining optimal perfor