Aprilia RXV 450 (2006) vs Aprilia RX 125 (2014-)
Comparison technical specifications
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| Make: | Aprilia | Aprilia |
| Model: | RXV 450 | RX 125 |
| Years: | 2006 | 2014- |
| Engine: | Four stroke, 77° V-twin cylinder, | Single cylinder two stroke. Aluminium cylinder with Nikasil coated liner. Read valve intake. Separate mixing. Homologated to Euro 3 standard. |
| Capacity: | 449 cc / 27.4 cu in | 124.8 cc / 7.6 cu in |
| Bore x Stroke: | 76 X 49.5 mm | 54 x 54.5 mm |
| Compression Ratio: | 12.5:1 | 12.5:1 |
| Cooling System: | Liquid cooled | Liquid cooled |
| Induction: | Integrated engine management system controlling ignition and fuel injection. Throttle body: Ø38 mm | Dell’Orto VHST 28 |
| Ignition: | Electronic | Electronic CDI |
| Starting: | Electric | Electric and kick |
| Transmission: | 5 Speed | 6 Speed |
| Final Drive: | Chain | Chain |
| Frame: | Steel perimeter frame with alloy vertical members | High strength steel frame with double trellis beam and double cradle. Separate seat frame. |
| Front Suspension: | Ø45 mm Upside down fork, double adjustment | Upside down telescopic fork, Ø 40 mm. |
| Rear Suspension: | Box section aluminium swingarm with cast body, hydraulic monoshock with compression and rebound adjustment | Steel swingarm. Hydraulic monoshock with piggy back cylinder. |
| Front Brakes: | Single Ø270 mm disc, 4 piston caliper | Single Ø 260 mm disc. 2 piston caliper |
| Rear Brakes: | Single Ø240 mm disc, 2 piston caliper | Single Ø 220 mm disc, 1 piston caliper |
| Front Tyre: | 90/90 -21 | 90/90-21 |
| Rear Tyre: | 140/80 -18 | 120/90 18 |
| Wheelbase: | 1495 mm / 58.9 in | 1480 mm / 58.3 in |
| Fuel Capacity: | 7.8 Litres / 2.1 US gal | 10 liters / 2.6 US gal |
| Dry Weight: | 120 kg / 265 lbs | 116 kg / 256 lbs |
| Top Speed: | 183 km/h / 114 mph | 120 km/h / 75 mph |