KTM 640 Duke II vs Honda CB 650 C (reduced effect) (2007)
Side-by-side spec comparison, pricing, and a plain-English breakdown of how the KTM 640 Duke IIstacks up against the Honda CB 650 C (reduced effect). Numbers pulled from manufacturer spec sheets — click either bike for the full review.
Spec comparison
| Spec | KTM 640 Duke II | Honda CB 650 C (reduced effect) |
|---|---|---|
| Model year | 2007 | 1981 |
| Price | — | — |
| Engine | 625 cc | 627 cc |
| Horsepower | 54 hp | 50 hp |
| Torque | 60 Nm | — |
| Weight | 152 kg | — |
| Seat height | 35 mm | — |
| Fuel capacity | 3.0 L | 3.7 L |
| Fuel type | petrol | petrol |
| Transmission | 5-speed | 5-speed |
| Front brakes | Single disc | Dual disc |
| Rear brakes | Single disc | Expanding brake |
| Tires | 120/70-17 / 160/70-17 | 3.50-19 / 130/90-16 |
KTM 640 Duke II vs Honda CB 650 C (reduced effect) — which should you buy?
Picking between the KTM 640 Duke II and the Honda CB 650 C (reduced effect) usually comes down to the numbers you care about most. On paper, the KTM 640 Duke II brings 54 hp in a 152 kg package, while the Honda CB 650 C (reduced effect) counters with 50 hp.
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:

