| Attribute | Aprilia ETX 125 1999 × | Kawasaki KMX 125 1999 × |
|---|---|---|
| General | ||
| Production from (year) | 1999 | 1999 |
| Make | Aprilia | Kawasaki |
| Model | Aprilia ETX 125 | Kawasaki KMX 125 |
| Category | Enduro / offroad | Enduro / offroad |
| Engine and transmission | ||
| Engine type | Single cylinder, two-stroke | Single cylinder, two-stroke |
| Displacement (cm³) | 125 | 125 |
| Power (kw) | 8.9 | 10.9 |
| Fuel consumption (l/100km) | 0.61 | 0.54 |
| Cooling system | Liquid | Air |
| Transmission type,final drive | Chain | Chain |
| Torque (Nm) | - | 13 |
| Bore (mm) | 54 | 54 |
| Stroke (mm) | 54.5 | 54.4 |
| Gearbox | 6-speed | 6-speed |
| Greenhouse gases | 14.2 CO2 g/km. (CO2 - Carbon dioxide emission) | 12.5 CO2 g/km. (CO2 - Carbon dioxide emission) |
| Compression | - | 7.8:1 |
| Chassis | ||
| Front brakes | Single disc | Single disc |
| Rear brakes | Single disc | Single disc |
| Diameter (mm) | 220 | 210 |
| Front wheel travel (mm) | 267 | 230 |
| Rear wheel travel (mm) | 290 | 230 |
| Other | ||
| Starter | Kick | Kick |
| Dimensions | ||
| Wheelbase (mm) | 1,465 | 1,375 |
| Kerb weight (kg) | 130 | 115 |
| Seat height (mm) | 890 | 860 |
| Front percentage of weight | 44.6 | 47 |
| Performance | ||
| Top speed (km/h) | 98 | 106 |
| Fuel capacity (l) | 10 | 9.3 |