Yamaha Byson FI vs Suzuki AX4 (2021)
Side-by-side spec comparison, pricing, and a plain-English breakdown of how the Yamaha Byson FIstacks up against the Suzuki AX4. Numbers pulled from manufacturer spec sheets — click either bike for the full review.
Spec comparison
| Spec | Yamaha Byson FI | Suzuki AX4 |
|---|---|---|
| Model year | 2021 | 2020 |
| Price | — | — |
| Engine | 150 cc | 150 cc |
| Horsepower | 13 hp | 11 hp |
| Torque | 13 Nm | 12 Nm |
| Seat height | 31 mm | 30 mm |
| Fuel capacity | 3.2 L | 3.3 L |
| Fuel type | petrol | petrol |
| Transmission | — | 5-speed |
| Front brakes | Single disc | Expanding brake (drum brake) |
| Rear brakes | Expanding brake (drum brake) | Expanding brake (drum brake) |
| Tires | 100/80-17 / 130/70-17 | 2.75-18 / 90/90-18 |
Yamaha Byson FI vs Suzuki AX4 — which should you buy?
Picking between the Yamaha Byson FI and the Suzuki AX4 usually comes down to the numbers you care about most. On paper, the Yamaha Byson FI brings 13 hp, while the Suzuki AX4 counters with 11 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: