| Attribute | KTM Adventure R 640 × | KTM 640 Duke II 1999 × |
|---|---|---|
| General | ||
| Production from (year) | 1999 | 1999 |
| Make | KTM | KTM |
| Model | KTM Adventure R 640 | KTM 640 Duke II |
| Category | Enduro / offroad | Super motard |
| Engine and transmission | ||
| Engine type | Single cylinder, four-stroke | Single cylinder, four-stroke |
| Displacement (cm³) | 625 | 625 |
| Power (kw) | 38 | 43.8 |
| Cooling system | Liquid | Liquid |
| Transmission type,final drive | Chain | Chain |
| Gearbox | 5-speed | 5-speed |
| Chassis | ||
| Front brakes | Single disc | Single disc |
| Rear brakes | Single disc | Single disc |
| Dimensions | ||
| Wheelbase (mm) | 1,510 | 1,460 |
| Dry weight (kg) | 154 | 145 |
| Power/weight ratio | 0.2468 | 0.3021 |
| Performance | ||
| Top speed (km/h) | 165 | 170 |
| Fuel capacity (l) | 28 | 12 |