JT Sprocket JTF571.16 16 Tooth Applications: Yamaha XJ400 - 1982 Yamaha XJ400 (4G0) - Japan Yamaha XJ400 Z,ZS (33M,35J) - Japan Yamaha XS400 DOHC - 1982 Yamaha XS400 J,K - USA - 1982 to 1983 Yamaha XS400 R J,K Maxim - USA - 1982 to 1983 Yamaha XJ550 - 1981 to 1985 Yamaha XJ550 H,J,K Maxim - USA - 1981 to 1983 Yamaha XJ550 R H Seca - USA - 1981 Yamaha XJ550 R J,K Seca - USA - 1982 to 1983 Yamaha FJ600 L,LC,N,NC - USA - 1984 to 1985 Yamaha FZ600 - 1987 to 1989 Yamaha FZ600 - France - 1986 to 1988 Yamaha FZ600 S,T,U - USA - 1986 to 1988 Yamaha FZ600 C S,T,U - USA - 1986 to 1988 Yamaha XJ600 - 1986 to 1988 Yamaha XJ600 (51H,51J) - 1984 to 1985 Yamaha XJ600 H,N - 1989 to 1990 Yamaha YX600 C-S,T Radian - USA - 1986 to 1987 Yamaha YX600 C-U,W,A Radian - USA - 1988 to 1990