Yamaha Collar - 90387-161V0-00. Reliable and Durable Yamaha Collar for Enhanced Equipment Performance. The Yamaha Collar - 90387-161V0-00 is a high-quality, precision-engineered component designed to secure parts in place, ensuring optimal performance and durability for your Yamaha equipment. Whether you're maintaining your boat, motor, or other Yamaha machinery, this collar offers a dependable fit that will keep your components intact and working smoothly. Built with strength and reliability in