Aprilia RS 250 Challenge Cup Edition (2002) vs Suzuki DR 650R / S (1994) vs Buell / EBR Buell RR 1200 Battletwin (1988)
Comparison technical specifications
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| Make: | Aprilia | Suzuki | Buell / EBR |
| Model: | RS 250 Challenge Cup Edition | DR 650R / S | Buell RR 1200 Battletwin |
| Years: | 2002 | 1994 | 1988 |
| Engine: | Two stroke, 90° V twin-cylinder, with laminar suction and exhaust valve. Separate lubrication with variable automatic mixer | Air/oil cooled, four stroke, single cylinder. SOHC, 4 Valve per cylinder. | 45° V-Twin, four stroke, pushrod actuated overhead valve. hydraulic self-adjusting lifters, 2 valve per cylinder. |
| Capacity: | 249 cc / 15.2 cu in | 640 cc / 39 cu in | 1198 cc / 73.1 cu in |
| Bore x Stroke: | 56 x 50.6 mm | 95 x 90.4 mm | 88.9 x 98.8 mm |
| Cooling System: | Liquid cooled | Air/oil cooled | Air cooled |
| Compression Ratio: | 12.00 (+/- 0.7) : 1 | 9.7:1 | 9.0:1 |
| Induction: | 2 x Ø34 mm Mikuni 34 SS flat side carburetors | 40 mm Flat side BST40 Mikuni | Ø40 mm Keihin carburetor |
| Max Power: | 52.9 kW / 72.5 hp @ 11900 rpm | 32.8 kW / 45 hp @ 6800 rpm (at rear wheel 30.6 kW / 41.1hp @ 6500 rpm ) | 44.7 kW / 60 hp @ 5000 rpm |
| Transmission: | 6 Speed, direct drive | 5 Speed | 4 Speed |
| Final Drive: | Chain, sealed, jointless, DID 520 V6 | Chain | Chain |
| Front Suspension: | Ø40 mm Inverted fork with adjustable rebound and compression damping. | Telescopic fork, coil spring, air/oil damped | Telescopic forks |
| Rear Suspension: | Magnesium alloy swingarm. Monoshock with resevoir, adjustable extension, compression and spring preloading. | Full Floater swingarm, single shock, gas/oil damped | Single shock |
| Front Brakes: | 2 x Ø298 mm discs, 4 piston calipers | Single 280 mm disc, 2 piston caliper | 2 x discs |
| Rear Brakes: | Single Ø220 mm disc, 2 piston caliper | Single 230 mm disc, 2 piston calipers | Single disc |
| Fuel Capacity: | 16.5 L / 4.4 US gal | 17 Litres / 4.5 US gal / 3.7 Imp gal | 21 L / 5.5 US gal |