Yamaha YZF-R 125 (2022) vs Aprilia RS 250 (1996-97)
Comparison technical specifications
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| Make: | Yamaha | Aprilia |
| Model: | YZF-R 125 | RS 250 |
| Years: | 2022 | 1996-97 |
| Engine: | Four stroke, single cylinder, SOHC, 4 valve | Two stroke, 90° V twin-cylinder, with laminar suction and exhaust valve. Separate lubrication with variable automatic mixer |
| Capacity: | 124.7 cc / 7.6 cu-in | 249 cc / 15.2 cu in |
| Bore x Stroke: | 52 x 58.6 mm | 56 x 50.6 mm |
| Cooling System: | Liquid cooled | Liquid cooled |
| Compression Ratio: | 11.2:1 | 12.0:1 (+/- 0.7) |
| Induction: | Electronic fuel Injection | 2 x Ø34 mm Mikuni 34 SS flat side carburetors |
| Lubrication: | Wet sump | Oil pump with separate circuit |
| Ignition: | TCI | CDI |
| Starting: | Electric | Kick |
| Max Power: | 11 kW / 14.7 hp @ 9000 rpm | 52.9 kW / 72.5 hp @ 11900 rpm |
| Max Torque: | 12.4 Nm / 9 lb-ft @ 8000 rpm | 40 Nm / 4.08 kgf-m / 29.5 lb/ft @ 10750 rpm |
| Clutch: | Wet, multiple-disc coil spring | Oil bath, multiple-disc, with lever control on handlebars |
| Transmission: | 6 Speed, Constant mesh | 6 Speed, direct drive |
| Final Drive: | Chain | Chain, sealed, jointless, DID 520 V6 |
| Front Suspension: | 41mm Upside-down telescopic fork, | Ø40 mm Inverted fork with adjustable rebound and compression damping. |
| Front Wheel Travel: | 130 mm / 5.1 in | 120 mm / 4.7 in |
| Rear Suspension: | Swingarm, link type suspension | Magnesium alloy swingarm. Monoshock with resevoir, adjustable extension, compression and spring preloading. |
| Rear Wheel Travel: | 114 mm / 4.5 in | 130 mm / 5.1 in |
| Front Brakes: | Single 292mm disc | 2 x Ø298 mm discs, 4 piston calipers |
| Rear Brakes: | Single 230mm disc | Single Ø220 mm disc, 2 piston caliper |
| Front Tyre: | 100/80 -17 M/C | 120/60-17 |
| Rear Tyre: | 130/70 -17 M/C | 150/60-17 |
| Wheelbase: | 1355 mm / 53.3 inc | 1370 mm / 53.9 in |
| Seat Height: | 825 mm / 32.4 in | 810 mm / 31.9 in |
| Ground Clearance: | 155 mm / 6.1 in | 135 mm / 5.3 in |
| Wet Weight: | 142 kg / 313 lbs | 167 kg / 368 lbs |
| Fuel Capacity: | 11.5 Litres / 3.0 US gal | 16.5 Litres / 4.4 US gal |