Ducati DesertX Rally (2024) vs Piaggio X9 Evolution 125 (2005-13) vs Buell / EBR Buell XB12R Firebolt (2008)
Comparison technical specifications
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| Make: | Ducati | Piaggio | Buell / EBR |
| Model: | DesertX Rally | X9 Evolution 125 | Buell XB12R Firebolt |
| Years: | 2024 | 2005-13 | 2008 |
| Engine: | Testastretta, L-Twin cylinder, 4 valves per cylinder, Desmodromic timing | Four stroke, single cylinder, SOHC, 4 valve | 45° V-Twin, four stroke, pushrod actuated overhead valve. hydraulic self-adjusting lifters, 2 valve per cylinder. |
| Capacity: | 937 cc / 57.2 cu in | 124 cc / 7.57 cub in. | 1203 cc / 73 cu in |
| Bore x Stroke: | 94 x 67.5 mm | 57 mm x 48.6 mm | 88.9 x 96.8 mm |
| Compression Ratio: | 13.3:1 | 12:1 | 10.0:1 |
| Cooling System: | Liquid cooled | Liquid cooled | Air cooled |
| Starting: | Electric | Electric / Kick | Electric |
| Max Power: | 81 kW / 110 hp @ 9250 rpm | 10.96 kW / 14.7 hp @ 10000 rpm | 86.9 kW / 103 hp @ 6800 rpm |
| Max Torque: | 92 Nm / 68 lb-ft @ 6500 rpm | 12 Nm / 1.2 kgf-m / 8.9 ft-lbs @ 8000 rpm | 114 Nm / 11.6 kgf-m / 84 ft-lbs @ 6000 rpm |
| Transmission: | 6-Speed | CVT, twist and go | 5 Speed |
| Final Drive: | Chain, front sprocket Z15, rear sprocket Z49 | Belt | Belt |
| Frame: | Tubular steel trellis frame | Double cradle, high strength tubular steel | Aluminium frame with Uniplanar™ Powertrain vibration isolation system |
| Front Suspension: | 46 mm KYB upside-down fork, fully adjustable | Hydraulic telescopic fork, 35 mm stanchions | Showa Ø43 mm inverted forks compression damping, rebound damping and spring preload adjustable |
| Front Wheel Travel: | 250 mm / 9.8 in | 90 mm / 3.54 in. | 120 mm / 4.7" |
| Rear Suspension: | KYB monoshock, fully adjustable, remote preload adjustment, aluminum double-sided swingarm. Kashima cating on outer tubes, DLC treatment on inner tubes | Dual, preload adjustable shocks | Showa coil-over monoshock, remote underseat reservoir and adjustable compression damping, rebound damping and spring preload, 127mm wheel travel |
| Front Brakes: | 2x 320 mm aluminum flange semi-floating discs, Radial mount Brembo monobloc 4-pistons calipers | Double disc, 240 mm | ZTL type brake, 6 piston, fixed caliper, Ø375 mm single-sided, inside out, stainless steel, floating rotor |
| Rear Brakes: | Single 265 mm disc, Brembo floating 2 pistons caliper | Single disc, 240 mm | Single Ø240 mm disc, 1 piston floating caliper |
| Front Tyre: | 90/90 ? 21 M/C 54V M+S TL (A), Pirelli Scorpion Rally STR | 120/70 - 14 in. | 120/70 ZR17, Pirelli Diablo |
| Rear Tyre: | 150/70 R18 M/C 70V M+S TL, Pirelli Scorpion Rally STR | 140/60 - 14 in. | 180/55 ZR17 Pirelli Diablo |
| Wheelbase: | 1625 mm / 64 in | 1500 mm / 59.1 in. | 1320 mm / 52.0" |
| Seat Height: | 910 mm / 35.8 in (low seat: 885 mm / 34.8 in) | 790 mm / 31.1 in. | 775 mm / 30.5" |
| Dry Weight: | 203 kg / 447 lbs | 168 kg / 370 lbs | 179 kg / 395 lbs |
| Fuel Capacity: | 21 Litres / 5.54 US gal (28 Litres / 7.66 US gal with optional accessory rear tank) | 15.2 L / 4.0 US gal | 14 L / 3.7 US gal |