Yamaha DT 250 (1980) vs Aprilia Tuono 1000 (2003) vs Royal Enfield Bullet 500 Classic Stealth Black (2019)
Comparison technical specifications
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| Make: | Yamaha | Aprilia | Royal Enfield |
| Model: | DT 250 | Tuono 1000 | Bullet 500 Classic Stealth Black |
| Years: | 1980 | 2003 | 2019 |
| Engine: | Two stroke, single cylinder | Four stroke, longitudinal 60°V twin, DOHC, 4 valves per cylinder | Four stroke, single cylinder, OHV |
| Capacity: | 246 cc / 15.0 cu-in | 997.6 cc / 60.9 cu in | 499 cc / 30.4 cu-in |
| Bore x Stroke: | 70 x 64 mm | 97 x 67.5mm | 84 x 90 mm |
| Cooling System: | Air cooled | Liquid cooled | Air Cooled |
| Compression Ratio: | 6.8:1 | 11.4:1 | 8.5:1 |
| Lubrication: | Autolube | Dry sump with separate oil reservoir. Double trochoidal pump with oil cooler. | Wet sump |
| Induction: | Single 28mm Mikuni VM28SS | Integrated electronic engine management system. Indirect multipoint electronic injection, Ø51 mm throttle bodies. | Electronic fuel injection (EFI) |
| Ignition: | External-rotor magneto; CDI; six-volt battery | Digital electronic with two spark plugs per cylinder. Ignition timing integrated in the injection control system. | Digital electronic ignition |
| Starting: | Kick | Electric | Electric & Kick |
| Max Power: | 17 hp 12.6 kW @ 6000 rpm | 94 kW / 126 hp @ 9500 rpm | 20.3 kW / 27.2 hp @ 5250 rpm |
| Max Torque: | 20.7 Nm / 15.3 lb-ft @ 5500 rpm | 101 Nm / 10.3 kgf-m / 74.5 ft-lb @ 7250 rpm | 41.3 Nm / 4.2 kgf-m / 30.5 lb-ft @ 4000 rpm |
| Transmission: | 5 Speed | 6 Speed | 5 Speed, constant mesh |
| Final Drive: | Chain | Chain | Chain |
| Frame: | Double-downtube, full-cradle, mild-steel frame; tubular-section, mild-steel swing arm | Box section sloping twin-spar frame in aluminium alloy. Removable aluminium alloy saddle mount frame. | Single Down Tube, using engine as stressed member |
| Front Suspension: | Oil-damped, coil-spring fork with forward-mounted axle and | Upside-down Öhlins fork, Ø43 mm diameter titanium nitride treated sleeves | 35mm Hydraulic telescopic fork |
| Front Wheel Travel: | 195 mm / 7.6 in | 120 mm / 4.7 in | 130 mm / 5.1 in |
| Rear Suspension: | DeCarbon-type, nitrogen-charged mono-shock producing | Swing arm in Aluminium alloy, progressive linkage with APS system. Boge hydraulic monoshock with adjustment for preload, compression and rebound dampening. | Twin shocks, gas charged with 5-step adjustable preload |
| Rear Wheel Travel: | 152 mm / 5.9 in | 135 mm / 5.3 in | 80 mm / 3.1 in |
| Front Brakes: | Conical hub with drum brake | 2 x Ø320mm floating discs, stainless steel, 4 piston calipers, Brembo | Single 280mm disc, 2 piston caliper, ABS |
| Rear Brakes: | Conical hub with rod-actuated drum brake | Single Ø220 mm stainless steel disc, 2 piston caliper, Brembo | 240 mm disk, 1 piston floating caliper, ABS |
| Front Tyre: | 3.00-21 | 120/70 ZR17 | 90/90-19 - 52 P |
| Rear Tyre: | 4.00-18 | 190/50 ZR17 (alternative: 180/55 ZR17) | 110/80-18 - 62 P |
| Dimensions: | Width 870 / 34.2 in | Length: 2070 mm / 81.5 in Width: 800 mm / 31.5 in Height: 1200 mm / 47.2 in | Length: 2080 mm / 81.9 in Width: 805 mm / 31.7 in Height: 1123 mm / 44.2 in |
| Wheelbase: | 1420 mm / 55.9 in | 1415 mm / 55.7 in | 1380 mm / 51.5 in |
| Seat Height: | 856 mm / 33.7 in | 820 mm / 32.3 in | 800 mm / 31.5 in |
| Fuel Capacity: | 8.5 Litres / 2.2 gal | 18 L / 4.8 US gal | 13.5 Litres / 29.7 US gal |