Yamaha XT660R (2011) vs Indian Springfield Dark Horse (2018-19) vs Ducati 450 Desmo (1973-74)
Comparison technical specifications
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| Make: | Yamaha | Indian | Ducati |
| Model: | XT660R | Springfield Dark Horse | 450 Desmo |
| Years: | 2011 | 2018-19 | 1973-74 |
| Engine: | Four stroke, single cylinder, SOHC, 4 valve | Thunder Stroke™ 111 49˚ V-Twin | Four stroke, single cylinder, SOHC, bevel gear driven, desmodromic |
| Capacity: | 659 cc/ 40.2 cu-in | 1811.cc / 111 cu-in | 435.7 cc / 26.6 cu in |
| Bore x Stroke: | 100 x 84 mm | 101 x 113 mm | 86 x 75 mm |
| Compression Ratio: | 10.0: 1 | 9.5:1 | 9.5:1 |
| Induction: | Fuel injection, 44 mm throttle body | Electronic Fuel Injection System Closed loop fuel injection / 54mm bore | Dell'Orto VHB 29 A |
| Starting: | Electric | Electric | Kick |
| Clutch: | Wet, multiple-disc coil spring | Wet, Multi-Plate | Wet, multiplate |
| Transmission: | 5 Speed | 6 Speed | 5 Speed |
| Final Drive: | Chain | Belt drive, 152 tooth | Chain |
| Front Suspension: | 43 mm Telescopic forks, | 46mm Telescopic forks | 35 mm Marzocchi telescopic fork (from 1974: 35 mm Ceriani) |
| Rear Suspension: | Oscillating arm standard Monocross. 200mm wheel travel | Single Shock w/ Air Adjust | Swingarm, dual Marzocchi shocks, 3-way adjustable |
| Front Brakes: | Single 298mm disc 2 piston caliper | 2x 300 mm Floating Rotor 4 piston calipers | Single 280 mm disc |
| Rear Brakes: | Single 245mm disc 1 piston caliper | Single 300 mm Floating Rotor 2 piston calipers | 150 mm Drum |
| Front Tyre: | 90/90- 21 | Dunlop® American Elite 130/60B19 61H | 2.75-18 |
| Rear Tyre: | 130/80–17 | Dunlop® Elite 3 180/60R16 80H | 3.00 x 18 or 3.25 x 18 |
| Dimensions: | Height 1230 mm / 48.4 in Length 2240 mm / 88.1 in Width 845 mm / 33.2 in | Length 2522 mm / 99.3 in | Length: 2000 mm / 78.7 in Width: 600 mm / 23.6 in Height: 940 mm / 37.0 in |
| Wheelbase: | 1505 mm / 59.3 in | 1700 mm / 67.0 in | 1360 mm / 53.5 in |
| Seat Height: | 865mm / 34.1 in | 660 mm / 26.0 in | 735 mm / 28.9 in |
| Fuel Capacity: | 15 Litres / 3.3 US gal | 20.8 Litres / 5.5 US Gal | 13 L / 3.4 US gal / 2.9 Imp gal |