Yamaha Clamp - 90465-08M99-00. Durable Yamaha Clamp for Secure Connections and Reliable Performance. The Yamaha Clamp - 90465-08M99-00 is a premium, high-quality part designed to securely fasten components and ensure your Yamaha equipment operates at its best. Whether you're replacing an old clamp or performing routine maintenance, this part is engineered to provide optimal durability and strength for a wide range of Yamaha systems.. Key Features. Heavy-Duty Construction: The Yamaha Clamp - 9046