| MODEL | KAWASAKI ZX-6R NINJA 1999 |
| Year | 1999 |
| Engine Type | Four stroke, transverse four cylinder, DOHC, 4 valves per cylinder |
| Displacement / Capacity | 598 cc / 36.5 cu in |
| Bore X Stroke | 66 x 43.8 mm |
| Compression Ratio | 11.8:1 |
| Cooling System | Liquid cooled |
| Max Power | 78.1 kW / 107 hp @ 12000 rpm |
| Max Torque | 65 Nm / 47.9 lb-ft @ 10000 rpm |
| Ignition | Digital |
| Induction | 4 x 36mm Keihin CVKD36 carburettors |
| Start System | Electric |
| TRANSMISSION SPECS | |
| Lubrication | — |
| Gear Box | 6 speed |
| Clutch | — |
| Final Drive | Chain 525, 15-40T |
| CHASSIS SPECS | |
| Frame | — |
| Front Suspension | 46mm Showa telescopic forks, 120 mm / 4.7 in travel |
| Rear Suspension | Single Showa shock, adjustable preload and rebound damping, 135 mm / 5.3 in travel |
| Front Brakes | 2 x 300mm discs, 6 piston calipers |
| Rear Brakes | Single 220mm disc, 1 piston caliper |
| DIMENSION SPECS | |
| Overall Length | — |
| Overall Width | — |
| Overall Height | — |
| Seat Height | 820 mm / 32.3 in |
| Wheelbase | 1400 mm / 55.1 in |
| Ground Clearance | — |
| Dry Weight | 176 kg / 388 lbs |
| Wet Weight | 203.0 kg / 447.5 lbs |
| WHEEL SPECS | |
| Front Tyre | 120/60 ZR17 |
| Rear Tyre | 170/60 ZR17 |
| FUEL SYSTEM | |
| Fuel Capacity | 18.00 Litres / 4.76 US gal |
| Fuel Consumption | — |
| Top Speed | — |
The 1999 ZX-6R, a 598 cc Kawasaki supersport tested in 1999 with a wider handlebar and fork, and revised rake and trail for stability. It kept the 107 hp DOHC four and Showa suspension of the 1998 model. Its road test was cut short by a broken clutch, so the page offers no top speed.
