Aprilia RX 125 (2014-) vs Aprilia RX50 (2010-12)
Comparison technical specifications
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| Make: | Aprilia | Aprilia |
| Model: | RX 125 | RX50 |
| Years: | 2014- | 2010-12 |
| Engine: | Single cylinder two stroke. Aluminium cylinder with Nikasil coated liner. Read valve intake. Separate mixing. Homologated to Euro 3 standard. | Single cylinder, two stroke |
| Capacity: | 124.8 cc / 7.6 cu in | 49.9 cc / 3.04 cu in |
| Bore x Stroke: | 54 x 54.5 mm | 39.9 x 40 mm |
| Compression Ratio: | 12.5:1 | 11.5:1 |
| Cooling System: | Liquid cooled | Liquid cooled |
| Induction: | Dell’Orto VHST 28 | Dell'Orto PVHA 17.5 carburetor |
| Ignition: | Electronic CDI | Electronic CDI |
| Starting: | Electric and kick | Kick |
| Clutch: | Wet, multiplate | Wet, multi plate |
| Transmission: | 6 Speed | 6 speed |
| Final Drive: | Chain | Chain |
| Primary Drive ratio: | 19:63 | 21/87 |
| Frame: | High strength steel frame with double trellis beam and double cradle. Separate seat frame. | Steel beam |
| Front Suspension: | Upside down telescopic fork, Ø 40 mm. | Hydraulic fork, Ø 40 mm |
| Front Wheel Travel: | 260 mm / 10.2 in | 195 mm / 7.7 in |
| Rear Suspension: | Steel swingarm. Hydraulic monoshock with piggy back cylinder. | High strength steel swingarm, hydraulic monoshock |
| Rear Wheel Travel: | 270 mm / 10.6 in | 180 mm / 7.1 in |
| Front Brakes: | Single Ø 260 mm disc. 2 piston caliper | Single stainless steel disc, Ø 260 mm, floating caliper |
| Rear Brakes: | Single Ø 220 mm disc, 1 piston caliper | Single disc, Ø 180 mm, floating caliper |
| Front Tyre: | 90/90-21 | 90/90-21 |
| Rear Tyre: | 120/90 18 | 110/80-18 |
| Dimensions: | Length: 2165 mm / 85.2 in Width: 850 mm / 33.5 in | Length: 2100 mm / 82.7 in Width: 825 mm / 32.5 in |
| Wheelbase: | 1480 mm / 58.3 in | 1412 mm / 55.6 in |
| Seat Height: | 830 mm / 32.7 in | 880 mm / 34.6 in |
| Fuel Capacity: | 10 liters / 2.6 US gal | 7 L / 1.85 US gal |