Yamaha XT660R (2005) vs Ducati 999 R (2003)
Comparison technical specifications
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| Make: | Yamaha | Ducati |
| Model: | XT660R | 999 R |
| Years: | 2005 | 2003 |
| Engine: | Four stroke, single cylinder, SOHC, 4 valve | Four stroke, 90° “L” twin cylinder, DOHC, desmodromic 4 valves per cylinder, belt driven |
| Capacity: | 659 cc/ 40.2 cu-in | 999 cc / 70 cu in |
| Bore x Stroke: | 100 x 84 mm | 104 x 58.8 mm |
| Compression Ratio: | 10.0: 1 | 12.3:1 |
| Cooling System: | Liquid cooled | Liquid cooled |
| Induction: | Fuel injection, 44 mm throttle body | Weber Marelli electronic fuel injection, 54 mm throttle body |
| Lubrication: | Dry sump | Wet sump |
| Ignition: | TCI | Marelli electronic |
| Starting: | Electric | Electric |
| Max Power: | 33.8 kW / 48 hp @ 6000 rpm | 101 kW / 139 hp @ 10500 rpm |
| Max Torque: | 58.4 Nm / 5.7 kgf-m @ 5250 rpm | 108 Nm / 11.0 kgf-m / 79.7 ft-lb @ 8000 rpm |
| Clutch: | Wet, multiple-disc coil spring | Dry multiplate with hydraulic control |
| Transmission: | 5 Speed | 6 Speed |
| Final Drive: | Chain | Chain |
| Frame: | Steel tubular diamond frame with dual tank rails | Tubular steel trellis |
| Front Suspension: | 43 mm Telescopic forks, | Öhlins 43mm upside-down fully adjustable fork with TiN surface treatment |
| Front Wheel Travel: | 225 mm / 8.8 in | 120 mm / 4.7 in |
| Rear Suspension: | Oscillating arm standard Monocross. 200mm wheel travel | Progressive linkage with fully adjustable Öhlins monoshock |
| Rear Wheel Travel: | 200 mm / 7.9 in | 128 mm / 5 in |
| Front Brakes: | Single 298mm disc 2 piston caliper | 2 x 320 mm Discs, 4 piston calipers |
| Rear Brakes: | Single 245mm disc 1 piston caliper | Single 245mm disc, 2 piston caliper |
| Front Tyre: | 90/90- 21 | 120/70 ZR17 |
| Rear Tyre: | 130/80–17 | 190/50 ZR17 |
| Rake: | 27.0° | 23.5° - 24.5° |
| Trail: | 107 mm / 4.2 in | 97 mm / 3.8 in |
| Dimensions: | Height 1230 mm / 48.4 in Length 2240 mm / 88.1 in Width 845 mm / 33.2 in | Length 2095 mm / 82.5 in Width: 730 mm / 28.7 in Height 1110 mm / 43.7 in |
| Wheelbase: | 1505 mm / 59.3 in | 1420 mm / 55.9 in |
| Seat Height: | 865mm / 34.1 in | 780 mm / 30.7 in |
| Fuel Capacity: | 15 Litres / 3.3 US gal | 15.5 Litres / 4.1 US gal / 3.4 Imp gal |
| Consumption Average: | 23 km/lit | 5.0 L/100 km / 19.9 km/l / 46.8 US mpg / 56.2 Imp mpg |
| Standing ¼ Mile: | 14.2 sec | 10.6 sec |
| Top Speed: | 164.7 km/h / 102.3 mph | 280 km/h / 174 mph |