The product is a vintage CDI unit for Yamaha XJ750 Seca XJ650 motorcycles from 1981 to 1983. It is a black unit manufactured in Japan and has superseded part numbers TID14-06 and 5G2-10. The product does not come with a manufacturer warranty. This CDI unit is a genuine Yamaha part designed for street motorcycles and is not considered a performance part. It is a reliable and authentic component for restoring or maintaining the electrical system of these Yamaha models. Good working cdi box off 1981 yamaha seca xj750 , 20,000 miles, sold as in pictures