Yamaha Collar - 90387-0701A-00. Reliable Yamaha Collar for Secure Component Attachment. The Yamaha Collar - 90387-0701A-00 is a high-quality, precision-engineered part designed to secure components effectively in place. Made to withstand the rigorous demands of Yamaha equipment, this collar offers long-lasting performance, even in high-vibration environments. Perfect for replacing worn or damaged collars, it ensures a tight, secure fit for optimal functioning.. Key Features. Durable Construction