Kawasaki VN 650 Vulcan S / ABS (2019-20) vs Ducati 750 Sport (1972-73) vs Kawasaki ZX-6R Ninja KRT Edition (2016)
Comparison technical specifications
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| Make: | Kawasaki | Ducati | Kawasaki |
| Model: | VN 650 Vulcan S / ABS | 750 Sport | ZX-6R Ninja KRT Edition |
| Years: | 2019-20 | 1972-73 | 2016 |
| Engine: | Four stroke, parallel twin cylinder. DOHC, 4 valves per cylinder. | Four stroke, 90°“L”twin cylinder, SOHC, 2 valves per cylinder, bevel gear driven | Four stroke, transverse four cylinder, DOHC, 4 valves per cylinder |
| Capacity: | 649 cc / 39.65 cu /in | 748 cc / 45.6 cu-in | 636 cc / 38.8 cub in |
| Bore x Stroke: | 83 x 60 mm | 80 x 74.4 mm | 67.0 x 45.1mm |
| Cooling System: | Liquid cooled | Air cooled | Liquid cooled |
| Compression Ratio: | 10.8:1 | 9.3:1 | 12.9:1 |
| Induction: | Fuel system DFI® with two 38mm throttle bodies, with sub-throttles | 2 x Dell'Orto PHF 32A carburetors | DFI® with four 38mm Keihin throttle bodies and oval sub-throttles |
| Ignition: | TCBI with digital advance | Points and coil | TCBI with digital advance |
| Starting: | Electric | Kick | Electric |
| Max Power: | 61 hp / 44.5 kW) @ 7500 rpm | 45.6 kW / 62 hp @ 8200 rpm | 97.7 kW / 131 hp @ 13500 rpm |
| Clutch: | Wet, Multi Disc | Wet, multiplate | Wet multi-disc, manual |
| Transmission: | 6 Speed with positive neutral finder | 5 Speed | 6 Speed |
| Final Drive: | Sealed chain | Chain | 520 series X-ring chain |
| Frame: | High-tensile steel double pipe perimeter frame | Tubular steel, twin downtube | Aluminum perimeter |
| Front Suspension: | 41 mm hydraulic telescopic fork | 38 mm Marzocchi fork | 41mm inverted Showa BP-SFF fork with top-out springs, stepless compression and rebound damping, adjustable spring preload |
| Rear Suspension: | Lay-down offset rear shock with linkage and adjustable preload | Dual shocks, Marzocchi 305 mm, 3-way adjustable | Bottom-link Uni-Trak® with gas-charged shock, top-out spring and pillow ball upper mount, stepless compression damping, 25-way adjustable rebound damping, fully adjustable spring preload |
| Front Brakes: | Single 300mm disc 2 piston caliper | Single 275 mm disc, Lockheed caliper | 2 x 310mm petal rotors with dual radial-mount, Nissin four-piston, monobloc calipers and available KIBS ABS |
| Rear Brakes: | Single 250mm disc 1 piston caliper | 200 mm Drum | Single 220mm petal rotor with single-piston caliper and KIBS ABS |
| Front Tyre: | 120/70 -R18 | 3.25 - 19 | 120/70 ZR17 |
| Rear Tyre: | 160/60 R17 | 3.50 - 18 or 4.10 - 18 | 180/55 ZR17 |
| Dimensions: | Length 2311 mm / 91.0 in. Width 881.3 mm / 34.7 in. Height 1099.8 mm / 43.3 in | Length 2200 mm / 86.6 in Width 710 mm / 28.0 in Height 1070 mm / 42.1 in | Length 2085 mm / 82.1 in Width 705 mm / 27.8 in Height 1115 mm / 43.9 in |
| Wheelbase: | 1574.8 mm / 62 in. | 1530 mm / 60.2 in | 1395 mm / 54.9 in. |
| Seat Height: | 706 mm / 27.8 in | 780 mm / 30.7 in | 830.5 mm / 32.7 in. |
| Fuel Capacity: | 14 Litres / 3.7 US gal | 17 Litres / 4.5 US gal / 3.7 Imp gal | 17 Litres 4.5 US gal |