Kawasaki ZX-R 400 (1989-90) vs BMW S 1000R (2015) vs Kawasaki VN 1700 Vulcan Voyager (2009-10)
Comparison technical specifications
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| Make: | Kawasaki | BMW | Kawasaki |
| Model: | ZX-R 400 | S 1000R | VN 1700 Vulcan Voyager |
| Years: | 1989-90 | 2015 | 2009-10 |
| Engine: | Four stroke, transverse four cylinder, DOHC, 4 Valve per cylinder. | Four stroke, transverse four cylinder, DOHC, 4 valves per cylinder | Four stroke, V-twin cylinder, SOHC, 8 valve per cylinder |
| Capacity: | 399 cc / 24.3 cu-in | 999 cc / 60.9 cu-in | 1700 cc / 103.7 cu in |
| Bore x Stroke: | 57 х 39 mm | 80 x 49.7 mm | 102 x 104mm |
| Cooling System: | Liquid cooled | Liquid cooled | Liquid cooled |
| Compression Ratio: | 12.0:1 | 12.0:1/at least premium unleaded (95 RON) | 9.5:1 |
| Induction: | 4x Keihin CVKD30 carburetors | Electronic fuel injection, digital motor electronics BMS-KP | Digital fuel injection, dual 42mm throttle bodies |
| Starting: | Electric | Electric | Electric |
| Max Power: | 59 hp / 44 kW @ 12000 rpm | 118 kW / 160 hp @ 11000 rpm | 61 kW / 82 hp @ 5000 rpm |
| Max Torque: | 40 Nm / 29.5 lb-ft @ 10000 rpm | 112 Nm / 11.4 kgf-m / 82.6 lb-ft @ 9250 rpm | 146 Nm / 107 lb-ft @ 2750 rpm |
| Transmission: | 6 Speed | 6 Speed | 6 Speed with overdrive |
| Final Drive: | Chain | Chain 17/45 | Carbon fiber belt |
| Frame: | Aluminum diamond tubular, double cradle | Construction type aluminium bridge frame, enqine self-supporting | Steel, double-cradle with box-section single-tube backbone |
| Front Suspension: | 41mm Upside down Showa forks. adjustable preload with rebound damping. | Upside-down fork, stanchion diameter 46 mm, adjustable for bump and rebound SA DDC: electronically adjustable damping | 43mm hydraulic fork |
| Rear Suspension: | Uni-Trek adjustable preload with rebound damping. | Aluminium double-strut swingarm with central spring strut, adjustable rebound, SA DDC: electronically adjustable damping | Swingarm with twin air-assisted shocks, with 4-way rebound damping |
| Front Brakes: | 2x 300mm discs 4 piston calipers | 2 x 320mm Discs, 4 piston calipers | 2x 300mm discs 2 piston calipers / ABS Optimal |
| Rear Brakes: | Single 240mm disc 2 piston caliper | Single 220mm disc, 1 piston caliper | Single 300mm disc 2 piston caliper / ABS Optimal |
| Front Tyre: | 120/60-17 | 120/70 ZR17 | 130/90R16 |
| Rear Tyre: | 160/60-17 | 190/55 ZR17 | 170/70R16 |
| Wheelbase: | 1395 mm / 54.9 in | 1422 mm / 56 in | 1665 mm / 65.6 in. |
| Seat Height: | 765 mm / 30.1 in | 820 mm / 33.3 in | 730 mm / 28.7 in |
| Fuel Capacity: | 16 Litres / 4.2 US gal | 17.5 Litres / 4.6 US gal. | 20 Litres / 5.3 US gal |