Aprilia 125 Pegaso (1991-92) vs BMW R 12 nineT (2024) vs Buell / EBR Buell X1W White Lightning (2002)
Comparison technical specifications
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| Make: | Aprilia | BMW | Buell / EBR |
| Model: | 125 Pegaso | R 12 nineT | Buell X1W White Lightning |
| Years: | 1991-92 | 2024 | 2002 |
| Engine: | Two stroke, single cylinder, reed valves | Four stroke, two cylinder horizontally opposed Boxer, two camshafts and four radially aligned valves per cylinder, central counter balancer shaft. | 45° V-Twin, four stroke, pushrod actuated overhead valve. hydraulic self-adjusting lifters, 2 valve per cylinder. |
| Capacity: | 124 cc / 7.6 cu in | 1170 cc / 71.4 cub in | 1203 cc / 73.4 cu in |
| Bore x Stroke: | 54 x 54.5mm | 101 x 73 mm | 88.8 x 96.8 mm |
| Compression Ratio: | 14.0:1 | 12:1 | 10.0:1 |
| Cooling System: | Liquid cooled | Air/oil cooled | Air cooled |
| Lubrication: | Dry sump, external oil pump | Wet sump | Dry sump |
| Induction: | Ø34 mm Dell'Orto carburetor | Electronic intake pipe injection / digital engine management system: BMS-O with throttle-by-wire | Dynamic Digital Fuel Injection |
| Starting: | Electric | Electric | Electric |
| Max Power: | 23 kW / 31 hp @ 10000 rpm | 81 kW / 109 hp @ 7000 rpm | 75.3 kW / 101 hp @ 6000 rpm |
| Max Torque: | 22.5 Nm / 2.3 kgf-m / 16.6 ft-lb @ 85000 rpm | 115 Nm / 81 lb-ft @ 6500 rpm | 122 Nm / 12.4 kgf-m / 90 ft.lbs @ 5600 rpm |
| Clutch: | Wet, cable operatied | Single dry plate clutch, hydraulically operated | Wet, multi-plate |
| Transmission: | 6 Speed | 6-speed, claw-shifted transmission with separate transmission housing | 5 Speed |
| Final Drive: | Chain | Shaft | Kevlar belt |
| Frame: | Steel double cradle | Four-part frame concept with front frame and three-part rear frame, load-bearing engine-gearbox unit, rear-seat frame removeable for one-up riding | Tubular perimeter chrome-moly mainframe with Uniplanar® |
| Rake: | 28° | 27.7 ? | 23° |
| Trail: | 100 mm / 3.9 in | 112 mm / 4.4 in | 89 mm / 3.5" |
| Front Suspension: | Ø41 mm Inverted telescopic forks | 46 mm upside-down telescopic forks | Ø41 mm Showa upside-down front forks adjustable compression and rebound damping |
| Front Wheel Travel: | 210 mm / 8.3 in | 120 mm / 4.7 in | 119 mm / 4.7" |
| Rear Suspension: | Single chock preload adjustable | Cast aluminium single swinging arm with BMW Motorrad Paralever; central spring strut, spring preload fully adjustable by hook wrench, adjustable rebound-stage damping | Showa shock absorber under engine adjustable spring preload, compression and rebound damping |
| Rear Wheel Travel: | 220 mm / 8.7 in | 120 mm / 4.7 in | 117 mm / 4.6" |
| Front Brakes: | Single Ø300 mm disc, 2 piston caliper | Twin disc brake, floating brake discs, diameter 310 mm, 4-piston Monobloc radial brake caliper | Single Ø340 mm disc, 6 piston caliper |
| Rear Brakes: | Single Ø220 mm disc, 1 piston caliper | Single 265 mm disc, 2 piston floating caliper | Single Ø230 mm disc, 1 piston caliper |
| Front Tyre: | 100/90-18 | 120/70 - ZR17 | 120/70-ZR17 D207F, Dunlop SportMax |
| Rear Tyre: | 120/80-17 | 180/55 - ZR17 | 170/60-ZR17 D207, Dunlop SportMax |
| Fuel Capacity: | 14 Litres / 3.7 US gal | 15.9 Litres / 4.2 US gal | 15.8 L / 4.2 US gal |