Yamaha Clamp Lever Spring - 6R3-42813-00-00. Durable Yamaha Clamp Lever Spring for Secure Performance. The Yamaha Clamp Lever Spring - 6R3-42813-00-00 is a high-quality replacement component designed to ensure the secure and efficient operation of your Yamaha equipment. Built with precision and reliability in mind, this clamp lever spring provides the necessary tension to keep components in place, ensuring a smooth and functional experience.. Key Features. High-Quality Material Construction: The