Aprilia RS4 125 (2012-13) vs Aprilia RS 125 R Lorenzo Replica (2007)
Comparison technical specifications
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| Make: | Aprilia | Aprilia |
| Model: | RS4 125 | RS 125 R Lorenzo Replica |
| Years: | 2012-13 | 2007 |
| Engine: | Four stroke, single cylinder, DOHC, 4 valves | Single cylinder, two stroke, reed valves induction |
| Capacity: | 124.8 cc / 7.6 cu in | 124.8 cc / 7.5 cu in |
| Bore x Stroke: | 58 X 47 mm | 54 x 54.5mm |
| Cooling System: | Liquid cooled | Liquid cooled |
| Compression Ratio: | 12.5 ± 0.5:1 | 12.5:1 |
| Induction: | Electronic injection | Dell'Orto PHBH 28 carburetor |
| Ignition: | Electronic with CDI capacity discharge | CDI electronic ignition |
| Starting: | Electric | Electric |
| Max Power: | 11.7 kW / 16 hp @ 10500 rpm | 21 kW / 28 hp @ 10500 rpm |
| Max Torque: | 11 Nm / 1.12 kgf-m / 8.1 ft/lb @ 8500 rpm | 19 Nm / 1.9 kgf-m / 14.1 lb-ft @ 9000 rpm |
| Clutch: | Multiple discs, in oil bath | Wet, multi-disc |
| Transmission: | 6 Speed | 6 Speed |
| Final Drive: | Chain | 17:40 |
| Frame: | Aluminum perimeter frame | Cast aluminium, reinforced box section, sloping twin-spar frame |
| Front Suspension: | Ø41 mm Upside down fork | Upside-down forks, Ø 40mm |
| Front Wheel Travel: | 110 mm / 4.3 in | 120 mm / 4.7 in |
| Rear Suspension: | Asymmetric swingarm with monoshock | Monoshock, cast aluminium box section swingarm with asymmetric members |
| Rear Wheel Travel: | 130 mm / 5.1 in | 120 mm / 4.7 in |
| Front Brakes: | Single Ø300 mm disc, 4 piston caliper | Single 320 mm floating discs, 4 piston radial caliper |
| Rear Brakes: | Single Ø218 mm disc, 1 piston caliper | Single 220 mm disc, 2 piston caliper |
| Front Tyre: | 110/80 17 | 110/70-17 |
| Rear Tyre: | 130/70 17 | 150/60-17 |
| Dimensions: | Length: 1953 mm / 76.8 in Width: 740 mm / 29.1 in Height: 1138 mm / 44.6 in | Length: 1955 mm / 77.0 in Width: 720 mm / 28.3 in Height: 1100 mm / 43.3 in |
| Wheelbase: | 1350 mm / 53.1 in | 1345 mm / 53.0 in |
| Seat Height: | 820 mm / 32.3 in | 805 mm / 31.7 in |
| Dry Weight: | 122 kg / 269 lbs | 115 kg / 254 lbs |
| Fuel Capacity: | 14.5 Liters / 3.8 gal | 14 Litres / 3.7 US gal |