| MODEL | KAWASAKI ZX 600R NINJA 1989 - 1990 |
| Year | 1989 - 1990 |
| Engine Type | Four stroke, transverse four cylinder, DOHC, 4 valves per cylinder |
| Displacement / Capacity | 592 cc / 36.1 cu in |
| Bore X Stroke | 60 x 52.4 mm |
| Compression Ratio | 11.0:1 |
| Cooling System | Liquid cooled |
| Max Power | 54.7 kW / 75 hp @ 10500 rpm |
| Max Torque | 5.1 kgf-m / 36.8 lb-ft @ 9000 rpm |
| Ignition | Digital |
| Induction | 4 x 32mm Keihin CVK carburettors |
| Start System | Electric |
| TRANSMISSION SPECS | |
| Lubrication | Wet sump |
| Gear Box | 6 speed |
| Clutch | — |
| Final Drive | Chain |
| CHASSIS SPECS | |
| Frame | — |
| Front Suspension | 37mm air assisted forks, AVDS adjustable anti-dive, 140 mm / 5.5 in travel |
| Rear Suspension | Single air assisted shock, adjustable rebound damping, 130 mm / 5.1 in travel |
| Front Brakes | 2 x discs, 1 piston calipers |
| Rear Brakes | Single disc, 1 piston caliper |
| DIMENSION SPECS | |
| Overall Length | — |
| Overall Width | — |
| Overall Height | — |
| Seat Height | — |
| Wheelbase | — |
| Ground Clearance | — |
| Dry Weight | 195 kg / 430 lbs |
| Wet Weight | — |
| WHEEL SPECS | |
| Front Tyre | 110/90-16 |
| Rear Tyre | 130/90-16 |
| FUEL SYSTEM | |
| Fuel Capacity | 18 Litres / 4.7 US gal |
| Fuel Consumption | 47.8 mpg (average) |
| Top Speed | 205 km/h / 127.5 mph |
A late-run GPZ600R / ZX 600R Ninja, using the same 592 cc transverse four and air-assisted suspension as the 1985 original. The page is a retrospective review that praises handling, smoothness and economy, and criticises the clutch, hot gearbox and fan cut-ins. It also lists known issues such as steering head bearing wear and brake judder.
