Factory Bike FK 370 vs KTM 390 Duke (2026)
Side-by-side spec comparison, pricing, and a plain-English breakdown of how the Factory Bike FK 370stacks up against the KTM 390 Duke. Numbers pulled from manufacturer spec sheets — click either bike for the full review.
Spec comparison
| Spec | Factory Bike FK 370 | KTM 390 Duke |
|---|---|---|
| Model year | 2024 | 2026 |
| Price | — | $5,999 |
| Engine | 370 cc | 373 cc |
| Horsepower | — | 44 hp |
| Torque | — | 37 Nm |
| Weight | 156 kg | 150 kg |
| Seat height | 31 mm | 830 mm |
| Fuel capacity | 4.0 L | 13.4 L |
| Fuel type | petrol | petrol |
| Transmission | 6-speed | 6-speed manual |
| Front brakes | Double disc | Single 320mm disc |
| Rear brakes | Single disc | Single 230mm disc |
| Tires | 110/70-R17 / 140/80-R17 | 110/70-17 front, 150/60-17 rear |
Factory Bike FK 370 vs KTM 390 Duke — which should you buy?
Picking between the Factory Bike FK 370 and the KTM 390 Duke usually comes down to the numbers you care about most. On paper, the Factory Bike FK 370 brings its published horsepower in a 156 kg package, while the KTM 390 Duke counters with 44 hp at 150 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:

