The Yamaha XJ900 is a motorcycle manufactured by Yamaha from 1983. It was a development of the original Yamaha XJ model, the XJ 650, which was the foundation for the entire XJ series.
Model engine and frame codes
1983 to 1984 - 853 cc 31A 1984 to 1990 - 891 cc 58L 1990 to 1994 - 891 cc 4BB1 ==See also==