Kawasaki GPX 600R Ninja / ZX 600R (1989-93) vs Kawasaki ZX-R 750-J (1991)
Comparison technical specifications
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| Make: | Kawasaki | Kawasaki |
| Model: | GPX 600R Ninja / ZX 600R | ZX-R 750-J |
| Years: | 1989-93 | 1991 |
| Engine: | Four stroke, transverse four cylinders, DOHC, 4 valve per cylinder | Four stroke, transverse four cylinder, DOHC, 4 valves per cylinder. |
| Capacity: | 598 cc / 36.1 cu-in | 749 cc / 45.7 cu-in |
| Bore x Stroke: | 60 x 52.4 mm | 71 x 47.3 mm |
| Cooling System: | Liquid cooled | Liquid cooled |
| Compression Ratio: | 11.71 | 10.8:1 |
| Lubrication: | Wet sump | Wet sump |
| Induction: | 4x 32mm Keihin CV carburetors | 4x 38 mm Keihin CVKD (Constant Velocity) carburettors / Ram Air System (single intake) |
| Ignition: | Digital | Digital |
| Starting: | Electric | Electric |
| Max Power: | 84 hp / 62 kW @ 11000 rpm | 100 hp / 74 kW @ 10500 rpm |
| Max Power Rear Tyre: | 74.8 hp @ 10300 rpm | 92.8 hp / 69.2 kW @ 10700 rpm |
| Max Torque: | 42 ft-lb / 5.8kgf-m @ 9000 rpm | 7.45 kgf-m / 53.8 lb-ft @ 9000rpm |
| Clutch: | Wet, multiple discs, cable operated | Multi plate wet (oil submerged) hydraulic ‘slipper’ clutch |
| Transmission: | 6 Speed | 6 Speed |
| Final Drive: | Chain | Chain |
| Front Suspension: | 38mm Telescopic with electronic anti-drive. | 43mm Upside-down forks, adjustable ride height, 13-way rebound |
| Rear Suspension: | Rising rate monoshock with adjustable preload and rebounding preload. | Uni Track monoshock. adjustable ride height, preload, 4-way rebound |
| Front Brakes: | 2x 270mm discs | 2x 320mm discs 4 piston calipers |
| Rear Brakes: | Single 130mm disc | Single 230mm disc 2 piston caliper |
| Front Tyre: | 110/80 V16 | 120/70ZR17 /Std Pressure 36psi |
| Rear Tyre: | 130/90 V16 | 180/55ZR17 /Std Pressure 41psi |
| Trail: | 91 mm / 3.6 in | 95mm / 3.74 in |
| Wheelbase: | 1425 mm / 56.1 in | 1420 mm / 55.9 in |
| Dry Weight: | 180 kg / 397 lbs | 195 kg / 420.9 lbs |
| Wet Weight: | 195 kg / 430 lbs | 221.6 kg / 487.2 lbs |
| Fuel Capacity: | 19.5 Litres / 5.1 US gal | 18 Litres / 4.7 US gal |
| Consumption Average: | 19.2 km/lit | 16.3 km/l |
| Braking 60 - 0 / 100 - 0: | 13.1 m / 39.9 m | 13.3m / 37.1m |
| Standing ¼ Mile: | 11.7 sec / 182.8 km/h | 11,2 sec / 196.2 km/h |
| Top Speed: | 226.8 km/h / 140.9 mph | 241 km/h / 149.7 mph |