Yamaha XT660R (2005) vs Ducati Panigale V4 (2020)
Comparison technical specifications
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| Make: | Yamaha | Ducati |
| Model: | XT660R | Panigale V4 |
| Years: | 2005 | 2020 |
| Engine: | Four stroke, single cylinder, SOHC, 4 valve | Four stroke, Desmosedici Stradale 90° V4, rearward-rotating crankshaft, 4 Desmodromically actuated valves per cylinder |
| Capacity: | 659 cc/ 40.2 cu-in | 1103 cc / 67.3 cu in |
| Bore x Stroke: | 100 x 84 mm | 81 x 53.5 mm |
| Compression Ratio: | 10.0: 1 | 14.0:1 |
| Cooling System: | Liquid cooled | Liquid cooled |
| Induction: | Fuel injection, 44 mm throttle body | Electronic fuel injection system. Twin injectors per cylinder. Full ride-by-wire elliptical throttle bodies. Variable length intake system |
| Starting: | Electric | Electric |
| Max Power: | 33.8 kW / 48 hp @ 6000 rpm | 157.5 kW / 214 hp @ 13000 rpm |
| Max Torque: | 58.4 Nm / 5.7 kgf-m @ 5250 rpm | 124.0 Nm / 91.5 lb-ft @ 10000 rpm |
| Clutch: | Wet, multiple-disc coil spring | Hydraulically controlled slipper and self-servo wet multiplate clutch |
| Transmission: | 5 Speed | 6 Speed with Ducati Quick Shift (DQS) up/down EVO |
| Final Drive: | Chain | Chain, Front sprocket 16, Rear sprocket 41 |
| Frame: | Steel tubular diamond frame with dual tank rails | Aluminum alloy "Front Frame" with optimized stiffnesses |
| Front Suspension: | 43 mm Telescopic forks, | Fully adjustable Showa BPF fork. 43 mm chromed inner tubes |
| Front Wheel Travel: | 225 mm / 8.8 in | 120 mm / 4.7 in |
| Rear Suspension: | Oscillating arm standard Monocross. 200mm wheel travel | Fully adjustable Sachs unit. Aluminum single-sided swingarm |
| Rear Wheel Travel: | 200 mm / 7.9 in | 130 mm / 5.1 in |
| Front Brakes: | Single 298mm disc 2 piston caliper | 2 x 330 mm semi-floating discs, radially mounted Brembo Monobloc Stylema® (M4.30) 4-piston callipers with Bosch Cornering ABS EVO |
| Rear Brakes: | Single 245mm disc 1 piston caliper | Single 245 mm disc, 2-piston calliper with Bosch Cornering ABS EVO |
| Front Tyre: | 90/90- 21 | 120/70 ZR17 Pirelli Diablo Supercorsa SP |
| Rear Tyre: | 130/80–17 | 200/60 ZR17 Pirelli Diablo Supercorsa SP |
| Rake: | 27.0° | 24.5° |
| Trail: | 107 mm / 4.2 in | 100 mm / 3.9 in |
| Wheelbase: | 1505 mm / 59.3 in | 1469 mm / 57.8 in |
| Seat Height: | 865mm / 34.1 in | 835 mm / 32.9 in |
| Wet Weight: | 181 kg / 421 lbs | 198 kg / 436 lbs |
| Fuel Capacity: | 15 Litres / 3.3 US gal | 16 Litres / 4.3 US gal |