Compatibility ZX500A1 1985 EUROPE NR   KPHZX500A2 1986 EUROPE NR   KPHZX500A3 1987 NORWAY AR   KPHZX600A1 1985 EUROPE UK FR GR IT NR SDZX600A1 NINJA 600 1985 USA CALIFORNIA CANADAZX600A2 1986 EUROPE UK FR GR IT NR SDZX600A2 NINJA 600 1986 USA CALIFORNIA CANADAZX600A3 NINJA 600R 1987 EUROPE UK FR FG GR IT NR SD SP STZX600A4 NINJA 600R 1988 UNITED KINGDOM FGZX600A4A NINJA 600R 1988 UNITED KINGDOM EU FRZX600B1 NINJA 600RX 1987 USA CALIFORNIA