GPZ900R two years before, the 1000RX was the fastest production bike at the time.[citation needed] Until in 1988 the GPZ 1000RX was superseded by the ZX-10...

GPZ900R in 1986, but the Ninja 900 continued alongside the GPZ 1000RX. In 1988 the GPZ 1000RX was replaced by the ZX-10, yet still the GPZ900R remained...