Aprilia RXV 450i (2009) vs Royal Enfield Bullet Classic 500 (2013-17) vs Suzuki GR 650 Tempter (1983-89) vs Ducati 848 EVO (2013) vs Yamaha IT 400 (1977-78)
Comparison technical specifications
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| Make: | Aprilia | Royal Enfield | Suzuki | Ducati | Yamaha |
| Model: | RXV 450i | Bullet Classic 500 | GR 650 Tempter | 848 EVO | IT 400 |
| Years: | 2009 | 2013-17 | 1983-89 | 2013 | 1977-78 |
| Engine: | Four stroke, 77° V-twin cylinder, | Four Stroke, single Cylinder, OHV | Four stroke, parallel twin cylinders | Four stroke, 90°“L”twin cylinder, DOHC, desmodromic 4 valve per cylinder. | Two stroke, single cylinder, read valve |
| Capacity: | 449 cc / 27.4 cu in | 499 cc / 30.4 cu-in | 651 cc / 39.7 cu in | 848 cc / 51.7 cu in | 396 cc / 24.1 cu-in |
| Bore x Stroke: | 76 X 49.5 mm | 84 x 90 mm | 77 x 70 mm | 94 x 61.2mm | 85 x 70 mm |
| Compression Ratio: | 12.5:1 | 8.5:1 | 8.7:1 | 13.2:1 | 7.6:1 |
| Cooling System: | Liquid cooled | Air Cooled | Air cooled | Liquid cooled | Air cooled |
| Induction: | Integrated engine management system controlling ignition and fuel injection. Throttle body: Ø38 mm | Electronic Fuel Injection (EFI) | 2 x Mikuni carburetors | Marelli electronic fuel injection, elliptical throttle bodies | VM38SS Mikuni carburetor |
| Ignition: | Electronic | Electronic Ignition Keihin | Battery powered inductive | Digital CD | CDI |
| Starting: | Electric | Electric & Kick | Electric | Electric | Kick |
| Max Power: | 44.7 kW / 60 hp @ 13000 rpm | 20.3 kW / 27.2 hp @ 5200 rpm | 36.4 kW / 50 hp @ 7200 rpm | 103 kW / 140 hp @ 10500 rpm | 40 hp / 29.8 kW @ 7000 rpm |
| Max Torque: | 54 Nm / 5.5 kgf-m / 39.8 lb-ft @ 11000 rpm | 41.3 Nm / 4.2 kgf-m / 30.5 lb-ft @ 4000 rpm | 61 Nm / 6.22 lgf-m / 45.0 lb-ft @ 3500 rpm | 98 Nm / 10.0 kgf-m / 72.3 lb-ft @ 9750 rpm | 30.9 lb-ft / 41.8 Nm @ 6000 rpm |
| Transmission: | 5 Speed | 5 Speed, constant mesh | 5 Speed | 6 Speed | 5 Speed |
| Final Drive: | Chain | Chain | Chain | Chain; front sprocket 15; rear sprocket 39 | Chain |
| Front Suspension: | Ø45 mm Upside down fork, double adjustment | Telescopic, Hydraulic Damping, Stroke 130 mm wheel travel | 35mm Air assisted forks | Showa 43mm fully adjustable upside-down fork | 43mm Telescopic adjustable forks |
| Rear Suspension: | Box section aluminium swingarm with cast body, hydraulic monoshock with compression and rebound adjustment | Twin shocks, gas charged with 5-step adjustable preload | Single shock adjustable spring preload | Progressive linkage with fully adjustable Ohlins monoshock. Aluminium single-sided swingarm | Mono shock, adjustable spring preload and rebound damping |
| Front Brakes: | Single Ø270 mm disc, 4 piston caliper | Single 280mm disc, 2 piston caliper | Single 260mm disc, 1 piston caliper | 2 x 330 mm Semi-floating discs, radially mounted Brembo Monobloc 4-piston calipers | Drum |
| Rear Brakes: | Single Ø240 mm disc, 2 piston caliper | Drum, Ø 152 mm, single leading shoe internal expanding | Drum | Single 245 mm disc, 2 piston caliper | Drum |
| Front Tyre: | 90/90 -21 | 90/90-19 | 100/90-19 | 120/70 ZR17 | 3.00 -21 |
| Wheelbase: | 1495 mm / 58.9 in | 1370 mm / 53.9 in | 1430 mm / 56.3 in | 1430 mm / 56.3in | 1430 mm / 56.2 in |
| Fuel Capacity: | 7.8 Litres / 2.1 US gal | 14.5 Litres / 3.8 US gal | 12 Litres / 3.2 US gal / 2.6 Imp gal | 15.5 L / 4.1 US gal / 3.4 Imp gal | 13.6 Litres / 3.4 US gal |