Yamaha XT660R (2005) vs Ducati Panigale V4 (2020) vs Indian Chief Blackhawk (2011)
Comparison technical specifications
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| Make: | Yamaha | Ducati | Indian |
| Model: | XT660R | Panigale V4 | Chief Blackhawk |
| Years: | 2005 | 2020 | 2011 |
| Engine: | Four stroke, single cylinder, SOHC, 4 valve | Four stroke, Desmosedici Stradale 90° V4, rearward-rotating crankshaft, 4 Desmodromically actuated valves per cylinder | Four stroke, V-twin, 2 valve per cylinder. |
| Capacity: | 659 cc/ 40.2 cu-in | 1103 cc / 67.3 cu in | 1720 cc / 105 cu-in |
| Bore x Stroke: | 100 x 84 mm | 81 x 53.5 mm | 3.966 x 4.25 in. |
| Compression Ratio: | 10.0: 1 | 14.0:1 | 9.0:1 |
| Cooling System: | Liquid cooled | Liquid cooled | Air 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 | Closed loop sequential port fuel injection |
| Starting: | Electric | Electric | -Electric |
| Transmission: | 5 Speed | 6 Speed with Ducati Quick Shift (DQS) up/down EVO | 5 Speed |
| Final Drive: | Chain | Chain, Front sprocket 16, Rear sprocket 41 | Belt |
| Frame: | Steel tubular diamond frame with dual tank rails | Aluminum alloy "Front Frame" with optimized stiffnesses | High tensile steel, monoshock |
| Front Suspension: | 43 mm Telescopic forks, | Fully adjustable Showa BPF fork. 43 mm chromed inner tubes | 41 mm diameter; 108 mm wheel travel |
| Rear Suspension: | Oscillating arm standard Monocross. 200mm wheel travel | Fully adjustable Sachs unit. Aluminum single-sided swingarm | Single shock, 73mm wheel travel. |
| 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 | Single 292mm disc 2 piston calipers |
| Rear Brakes: | Single 245mm disc 1 piston caliper | Single 245 mm disc, 2-piston calliper with Bosch Cornering ABS EVO | Single 292mm disc 1 piston calipers |
| Front Tyre: | 90/90- 21 | 120/70 ZR17 Pirelli Diablo Supercorsa SP | 130/90-16 |
| Rear Tyre: | 130/80–17 | 200/60 ZR17 Pirelli Diablo Supercorsa SP | 150/90-16 |
| Trail: | 107 mm / 4.2 in | 100 mm / 3.9 in | 150 mm / 5.9 in |
| Wheelbase: | 1505 mm / 59.3 in | 1469 mm / 57.8 in | 1737 mm / 68.3 in |
| Seat Height: | 865mm / 34.1 in | 835 mm / 32.9 in | 698.5 mm / 27.5 in |
| Fuel Capacity: | 15 Litres / 3.3 US gal | 16 Litres / 4.3 US gal | 20.8 Litres / 5.5 Gal |