Yamaha Spring, Brush - 69J-4386K-00-00. Restore Proper Function to Your Trim and Tilt System. The Yamaha - Spring, Brush - 69J-4386K-00-00 is a genuine OEM replacement part designed to maintain precise contact and performance in your Yamaha power trim and tilt motor assembly. As a critical component within the motor's brush holder assembly, this spring ensures reliable pressure against the motor brushes, which allows for consistent electrical current and smooth trim operation.. When the spring w