This item is made with High quality materials. All made in Taiwan. Jets are stamped with szie number. Carburetor Float Bowl Drain Screw - Set of 4 New Reproduction Fits: 1986-1990 BW80 1988-1990 DT50 1994-1995 FJ1100 1986-1993 FJ1200 1984 -1985 FJ600 1987 FZ700 1985-1986 FZ750 1988-1900 FZR400 1989-1999 FZR600 1986-1987 FZX700Fazer 1985 MAXIM XJ700N 1985 MAXIM XJ700NC .