Aprilia RS4 125 (2014-15) vs Aprilia RSV 1000R Nera (2004) vs Aprilia RS 125 (2003-04)
Comparison technical specifications
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| Make: | Aprilia | Aprilia | Aprilia |
| Model: | RS4 125 | RSV 1000R Nera | RS 125 |
| Years: | 2014-15 | 2004 | 2003-04 |
| Engine: | Four stroke, single cylinder, DOHC, 4 valves | Four stroke, longitudinal 60°V twin, DOHC, 4 valves per cylinder | Single cylinder, two stroke, reed valves induction |
| Capacity: | 124.8 cc / 7.6 cu in | 997.6 cc / 60.9 cu-in | 125 cc / 7.6 cu in |
| Bore x Stroke: | 58 X 47 mm | 97 x 67.5 mm | 54 x 54.5mm |
| Cooling System: | Liquid cooled | Liquid cooled | Liquid cooled |
| Compression Ratio: | 12.5 ± 0.5:1 | 11.8:1 | 14.5:1 |
| Induction: | Electronic injection | Integrated electronic engine management system. Indirect multipoint electronic injection. Throttle body diameter 57mm. | Dell'Orto VHSB 34LD |
| Ignition: | Electronic with CDI capacity discharge | Digital electronic with one spark plugs per cylinder | Electronic |
| Starting: | Electric | Electric | Electric |
| Max Power: | 11.7 kW / 16 hp @ 10500 rpm | 102 kW / 139 hp @ 9500 rpm | 21 kW / 28 hp @ 10500 rpm |
| Max Torque: | 11 Nm / 1.12 kgf-m / 8.1 ft/lb @ 8500 rpm | 107 Nm / 10.9 kgf-m / 78.9 lb-ft @ 7500 rpm | 19 Nm / 1.9 kgf-m / 14.1 lb-ft @ 9000 rpm |
| Transmission: | 6 Speed | 6 Speed | 6 Speed |
| Final Drive: | Chain | Chain, 40/16 (2.5) | Chain |
| Front Suspension: | Ø41 mm Upside down fork | Showa 43 mm diameter upside-down fork with adjustable compression rebound and preload | Upside-down forks, Ø 40mm |
| Front Wheel Travel: | 110 mm / 4.3 in | 120 mm / 4.7 in | 120 mm / 4.7 in |
| Rear Suspension: | Asymmetric swingarm with monoshock | Aluminium alloy double banana swing arm, APS progressive system linkage. Sachs hydraulic shock-absorber with adjustable rebound, compression, preload and length | Monoshock |
| Rear Wheel Travel: | 130 mm / 5.1 in | 133 mm / 5.2 in | 120 mm / 4.7 in |
| Front Brakes: | Single Ø300 mm disc, 4 piston caliper | 2 x 320mm discs, 4 piston calipers | Single 320 mm discs, 4 piston caliper |
| Rear Brakes: | Single Ø218 mm disc, 1 piston caliper | Single 220 mm disc, 2 piston caliper | Single 240 mm disc, 2 piston caliper |
| Front Tyre: | 110/80 17 | 120/70 ZR17 | 110/70-17 |
| Rear Tyre: | 130/70 17 | 190/50 ZR17 | 150/60-17 |
| Wheelbase: | 1350 mm / 53.1 in | 1415 mm / 55.7 in | 1345 mm / 53.0 in |
| Seat Height: | 820 mm / 32.3 in | 810 mm / 31.9 in | 805 mm / 31.7 in |
| Dry Weight: | 122 kg / 269 lbs | 189 kg / 416.7 lbs | 115 kg / 254 lbs |
| Fuel Capacity: | 14.5 Liters / 3.8 gal | 18 Litres / 4.8 US gal | 11.5 L / 3.0 US gal |