Aprilia SMV 750 Dorsoduro (2015) vs Royal Enfield Bullet Classic 500 (2017) vs Kawasaki Ninja 250R (2012) vs Aprilia RX 125R (1992-93)
Comparison technical specifications
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| Make: | Aprilia | Royal Enfield | Kawasaki | Aprilia |
| Model: | SMV 750 Dorsoduro | Bullet Classic 500 | Ninja 250R | RX 125R |
| Years: | 2015 | 2017 | 2012 | 1992-93 |
| Engine: | Four stroke, longitudinal 90°V twin, DOHC, 4 valves per cylinder | Four Stroke, single Cylinder, OHV | Four stroke . parallel twin, DOHC, 4 valve per cylinder | Single cylinder, two stroke, Rotax 123, Gilardoni 2 cylinder/head |
| Capacity: | 749.9 cc / 45.7 cu-in | 499 cc / 30.4 cu-in | 248 cc / 15.1 cu-in | 124.8 cc / 7.6 cu in |
| Bore x Stroke: | 92 x 56.4 mm | 84 x 90 mm | 62 х 41.2mm | 54 x 54.5 mm |
| Compression Ratio: | 11.0:1 | 8.5:1 | 11.6:1 | 12.5:1 |
| Induction: | Integrated engine management system. Latest generation 3 maps (Sport, Touring, Rain) Ride-by-Wire throttle management. | Electronic Fuel Injection (EFI) | 2x Keihin CVK30 carburetors | VHSB34 LD carburetor |
| Starting: | Electric | Electric & Kick | Electric | Electric and kick |
| Max Power: | 67.3 kW / 92 hp @ 8750 rpm | 20.3 kW / 27.2 hp @ 5200 rpm | 29.9 hp / 22 kW @ 10500 rpm | 25.7 kW / 34.5 hp@ 10800 rpm |
| Max Torque: | 82 Nm / 8.36 kgf-m / 60.4 lb/ft / @ 4500 rpm | 41.3 Nm / 4.2 kgf-m / 30.5 lb-ft @ 4000 rpm | 21.7 Nm / 2.21 kgf-m / 16.0 lb-ft @ 10000 rpm | 21.6 Nm / 2.2 kgf-m / 15.9 lb-ft @ 10500 rpm |
| Transmission: | 6 Speed | 5 Speed, constant mesh | 6 Speed | 6 Speed |
| Final Drive: | Chain | Chain | O-ring chain | #520 Chain, 12T to 17T pinion gear, 49T spur gear |
| Front Suspension: | Ø43 mm Upside-down fork. | Telescopic, Hydraulic Damping, Stroke 130 mm wheel travel | 37mm hydraulic telescopic fork | Marzocchi upside down fork |
| Rear Suspension: | Aluminium alloy swingarm with reinforcement truss. Hydraulic shock absorber adjustable in spring preload and rebound damping. | Twin shocks, gas charged with 5-step adjustable preload | Uni-Trak® with aluminum linkage | Swingarm with single shock absorber, Aprilia Progressive System with fully adjustable Boge Sachs shock absorber |
| Front Brakes: | 2 x Ø320 mm discs, 4 piston caliper | Single 280mm disc, 2 piston caliper | Single 260mm hydraulic petal disc 2 piston caliper | Single Ø 250 mm disc |
| Rear Brakes: | Single Ø240 mm disc, 1 piston caliper | Drum, Ø 152 mm, single leading shoe internal expanding | Single 220mm petal disc 2 piston caliper | Single Ø 220mm disc |
| Front Tyre: | 120/70 ZR17 | 90/90-19 | 110/70-17 | 90/90-21 |
| Fuel Capacity: | 12 Litres / 3.17 US gal | 14.5 Litres / 3.8 US gal | 18.2 Litres / 5.8 US gal | 11.5 L / 3.0 US gal / 2.5 Imp gal |