Aprilia RX 125R (1998-00) vs Kawasaki GPZ 305 (1984-)
Comparison technical specifications
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| Make: | Aprilia | Kawasaki |
| Model: | RX 125R | GPZ 305 |
| Years: | 1998-00 | 1984- |
| Engine: | Single cylinder, two stroke | Four stroke Parallel twin, SOHC, 2 valves per cylinder |
| Capacity: | 124.8 cc / 7.6 cu in | 306 cc / 18.7 cu-in |
| Bore x Stroke: | 54 x 54.5 mm | 61.0 x 52.4 mm |
| Compression Ratio: | 12.5:1 | 9.7:1 |
| Induction: | Dell'Orto Ø 34 mm carburetor | 2x 32mm Keihin CVi carburetors |
| Starting: | Electric and kick | Electric |
| Max Power: | 23.1 kW / 31.0 hp @ 10800 rpm | 19.9 kW / 26.6 hp @ 10000 rpm |
| Max Torque: | 21.6 Nm / 2.2 kgf-m / 15.9 lb-ft @ 10500 rpm | 25.5 Nm / 18.8 lb·ft @ 8500 rpm |
| Transmission: | 6 Speed | 6 Speed |
| Final Drive: | Chain | Belt |
| Front Suspension: | Upside down fork | Telescopic forks |
| Rear Suspension: | Swinging fork swingarm with single shock absorber | Swing arm |
| Front Brakes: | Single Ø 250 mm disc | 2x disc |
| Rear Brakes: | Single Ø 220mm disc | Drum |
| Front Tyre: | 90/90-21 | 90/90-18 |
| Rear Tyre: | 120/80-19 | 110/80-18 |
| Dry Weight: | 105 kg / 231 lbs | 147 kg / 324 lbs |
| Wet Weight: | 122 kg / 269 lbs | 160.6 kg / 354 lbs |
| Fuel Capacity: | 11.5 L / 3.o US gal | 16.5 Litres / 4.3 US gal |
| Consumption Average: | 6.7 L/100 km / 15.0 km/l / 36 USmpg | 65 mpg |
| Top Speed: | 128.0 km/h / 79.5 mph | 162 km/h / 101 mph |