Aprilia RX 125C (1993-94) vs Yamaha YS 250 Fazer (2009-12)
Comparison technical specifications
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| Make: | Aprilia | Yamaha |
| Model: | RX 125C | YS 250 Fazer |
| Years: | 1993-94 | 2009-12 |
| Engine: | Single cylinder, two stroke, Rotax 123, Gilardoni 2 cylinder/head | Four stroke, single cylinder, SOHC, 2valve |
| Capacity: | 124.8 cc / 7.6 cu in | 250 cc / 15.2 cu-in |
| Bore x Stroke: | 54 x 54.5 mm | 74 x 58 mm |
| Compression Ratio: | 12.5:1 | 9.8;1 |
| Induction: | VHSB34 LD carburetor | |
| Starting: | Kick | Electric |
| Max Power: | 25.7 kW / 34.5 hp @ 10800 rpm | 20 hp / 14.9 kW @ 7500 rpm |
| Max Torque: | 21.6 Nm / 2.2 kgf-m / 15.9 lb-ft @ 10500 rpm | 2.1 kg-fm / 15.1 lb-ft @ 6500 rpm |
| Transmission: | 6 Speed | 5 Speed |
| Final Drive: | #520 Chain, 12T to 17T pinion gear, 49T spur gear | Chain |
| Front Suspension: | Marzocchi upside down fork | Telescopic forks |
| Rear Suspension: | Swingarm with single shock absorber, Aprilia Progressive System with fully adjustable Boge Sachs shock absorber | Monoshock |
| Front Brakes: | Single Ø 250 mm disc | Single 282mm disc |
| Rear Brakes: | Single Ø 220mm disc | 130mm Drum |
| Front Tyre: | 90/90-21 | 100/80 17 |
| Rear Tyre: | 120/80-19 | 130/70 17 |
| Dry Weight: | 105 kg / 231 lbs | 153 kg / 337.3 lbs |
| Fuel Capacity: | 11.5 L / 3.o US gal | 19,2 Litres / 5.0 US gal |