Aprilia RS 250 Chesterfield Replica (1996) vs Triumph Thruxton (2005-06)
Comparison technical specifications
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| Make: | Aprilia | Triumph |
| Model: | RS 250 Chesterfield Replica | Thruxton |
| Years: | 1996 | 2005-06 |
| Engine: | Two stroke, 90° V twin-cylinder, with laminar suction and exhaust valve. Separate lubrication with variable automatic mixer | Four stroke, parallel twin cylinder, DOHC, 4 valves per cylinder |
| Capacity: | 249 cc / 15.2 cu in | 865 cc / 57.8 cu in |
| Bore x Stroke: | 56 x 50.6 mm | 88.9 x 68.6 mm |
| Cooling System: | Liquid cooled | Air-cooled |
| Compression Ratio: | 12.0:1 (+/- 0.7) | 9.9:1 |
| Lubrication: | Oil pump with separate circuit | Wet sump |
| Induction: | 2 x Ø34 mm Mikuni 34 SS flat side carburetors | Twin carburetors, with throttle position sensor and electric carburettor heaters |
| Ignition: | CDI | Digital |
| Spark Plug: | (tandard - NGK BR9ECM, racing - NGK BR10ECM, cold climate - NGK BR8ECM | NGK, DPR8EA-9 |
| Starting: | Kick | Electric |
| Max Power: | 52.9 kW / 72.5 hp @ 11900 rpm | 51.5 kW / 69 hp @ 7250 rpm |
| Max Torque: | 40 Nm / 4.08 kgf-m / 29.5 lb/ft @ 10750 rpm | 71.8 Nm / 7.3 kgf-m / 53ft.lbf @ 5750 rpm |
| Clutch: | Oil bath, multiple-disc, with lever control on handlebars | Wet, multi-plate |
| Transmission: | 6 Speed, direct drive | 5 speed |
| Final Drive: | Chain, sealed, jointless, DID 520 V6 | X-ring chain |
| Front Suspension: | Ø40 mm Inverted fork with adjustable rebound and compression damping. | 41 mm Forks with adjustable preload |
| Rear Suspension: | Magnesium alloy swingarm. Monoshock with resevoir, adjustable extension, compression and spring preloading. | Chromed spring twin shocks with adjustable preload |
| Front Brakes: | 2 x Ø298 mm discs, 4 piston calipers | Single 320mm floating disc, 2 piston caliper |
| Rear Brakes: | Single Ø220 mm disc, 2 piston caliper | Single 255mm disc, 2 piston caliper |
| Front Tyre: | 120/60-17 | 100/90 R18 |
| Rear Tyre: | 150/60-17 | 130/80 R17 |
| Rake: | 25° | 26° |
| Dimensions: | Length: 1880 mm / 74.0 in Width: 690 mm / 27.2 in Height: 1080 mm / 42.5 in | Length 2212 mm / 87.1 in Width 714 mm / 28.1 in Handlebars Height 1170 mm / 46.4 in |
| Wheelbase: | 1370 mm / 53.9 in | 1477 mm / 58.1 in |
| Seat Height: | 810 mm / 31.9 in | 790 mm / 31.1 in |
| Dry Weight: | 141 kg / 309 lbs | 205 kg / 451 lbs |
| Fuel Capacity: | 16.5 Litres / 4.4 US gal | 16 Litres / 4.2 US gal / 3.5 Imp gal |
| Top Speed: | 209.5 km/h / 130.2 mph | 185 km/h / 115 mph |