Aprilia RXV 550i (2010-13) vs Aprilia RX 125C (1993-94)
Comparison technical specifications
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| Make: | Aprilia | Aprilia |
| Model: | RXV 550i | RX 125C |
| Years: | 2010-13 | 1993-94 |
| Engine: | Four stroke, 77° V-twin cylinder | Single cylinder, two stroke, Rotax 123, Gilardoni 2 cylinder/head |
| Capacity: | 549 cc / 33.5 cu in | 124.8 cc / 7.6 cu in |
| Bore x Stroke: | 80 x 55 mm | 54 x 54.5 mm |
| Compression Ratio: | 12.1:1 | 12.5:1 |
| Induction: | Integrated engine management system controlling ignition and fuel injection. Throttle body: Ø40 mm | VHSB34 LD carburetor |
| Starting: | Electric | Kick |
| Max Power: | 52.2 kW / 70 hp @ 13000 rpm | 25.7 kW / 34.5 hp @ 10800 rpm |
| Max Torque: | 65.9 Nm / 6.7 kgf-m / 48.6 lb-ft @ 10900 rpm | 21.6 Nm / 2.2 kgf-m / 15.9 lb-ft @ 10500 rpm |
| Transmission: | 5 Speed | 6 Speed |
| Final Drive: | Chain | #520 Chain, 12T to 17T pinion gear, 49T spur gear |
| Front Suspension: | Ø45 mm Upside down fork, double adjustment | Marzocchi upside down fork |
| Rear Suspension: | Box section aluminium swingarm with cast body, Hydraulic monoshock with compression and rebound adjustment | Swingarm with single shock absorber, Aprilia Progressive System with fully adjustable Boge Sachs shock absorber |
| Front Brakes: | Single Ø270 mm disc, 4 piston caliper | Single Ø 250 mm disc |
| Rear Brakes: | Single Ø240 mm disc, 2 piston caliper | Single Ø 220mm disc |
| Front Tyre: | 90/90 -21 | 90/90-21 |
| Rear Tyre: | 140/80 -18 | 120/80-19 |
| Dry Weight: | 127 kg / 279 lbs | 105 kg / 231 lbs |
| Fuel Capacity: | 7.8 Litres / 2.1 US gal | 11.5 L / 3.o US gal |