KTM 390 Duke vs Honda CB 400 N (reduced effect) (2026)
Side-by-side spec comparison, pricing, and a plain-English breakdown of how the KTM 390 Dukestacks up against the Honda CB 400 N (reduced effect). Numbers pulled from manufacturer spec sheets — click either bike for the full review.
Spec comparison
| Spec | KTM 390 Duke | Honda CB 400 N (reduced effect) |
|---|---|---|
| Model year | 2026 | 1983 |
| Price | $5,999 | — |
| Engine | 373 cc | 395 cc |
| Horsepower | 44 hp | 27 hp |
| Torque | 37 Nm | — |
| Weight | 150 kg | — |
| Seat height | 830 mm | — |
| Fuel capacity | 13.4 L | 3.7 L |
| Fuel type | petrol | petrol |
| Transmission | 6-speed manual | 6-speed |
| Front brakes | Single 320mm disc | Dual disc |
| Rear brakes | Single 230mm disc | Expanding brake |
| Tires | 110/70-17 front, 150/60-17 rear | 3.60-19 / 4.10-18 |
KTM 390 Duke vs Honda CB 400 N (reduced effect) — which should you buy?
Picking between the KTM 390 Duke and the Honda CB 400 N (reduced effect) usually comes down to the numbers you care about most. On paper, the KTM 390 Duke brings 44 hp in a 150 kg package, while the Honda CB 400 N (reduced effect) counters with 27 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:

