KTM 640 LC4 SMC Orange vs KTM Duke II 640 (2005)
Side-by-side spec comparison, pricing, and a plain-English breakdown of how the KTM 640 LC4 SMC Orangestacks up against the KTM Duke II 640. Numbers pulled from manufacturer spec sheets — click either bike for the full review.
Spec comparison
| Spec | KTM 640 LC4 SMC Orange | KTM Duke II 640 |
|---|---|---|
| Model year | 2005 | 2001 |
| Price | — | — |
| Engine | 625 cc | 625 cc |
| Horsepower | 54 hp | 55 hp |
| Torque | 60 Nm | 58 Nm |
| Weight | 149 kg | 145 kg |
| Seat height | 36 mm | 34 mm |
| Fuel capacity | 3.0 L | 3.2 L |
| Fuel type | petrol | petrol |
| Transmission | 5-speed | 5-speed |
| Front brakes | Single disc | Single disc |
| Rear brakes | Single disc | Single disc |
| Tires | 120/70-17 | 120/70-HR17 / 160/60-HR17 |
KTM 640 LC4 SMC Orange vs KTM Duke II 640 — which should you buy?
Picking between the KTM 640 LC4 SMC Orange and the KTM Duke II 640 usually comes down to the numbers you care about most. On paper, the KTM 640 LC4 SMC Orange brings 54 hp in a 149 kg package, while the KTM Duke II 640 counters with 55 hp at 145 kg.
Our spec tables above highlight the winning number on each line. For the full rider-focused reviews including real-world fuel economy, service costs and available colors, click into either bike:

