Fosti F31 vs Yamaha SZ (2022)
Side-by-side spec comparison, pricing, and a plain-English breakdown of how the Fosti F31stacks up against the Yamaha SZ. Numbers pulled from manufacturer spec sheets — click either bike for the full review.
Spec comparison
| Spec | Fosti F31 | Yamaha SZ |
|---|---|---|
| Model year | 2022 | 2022 |
| Price | — | — |
| Engine | 149 cc | 149 cc |
| Horsepower | 12 hp | 12 hp |
| Torque | 9 Nm | 13 Nm |
| Weight | 110 kg | — |
| Seat height | — | 32 mm |
| Fuel capacity | 4.0 L | 3.7 L |
| Fuel type | petrol | petrol |
| Transmission | — | 5-speed |
| Front brakes | Single disc | Single disc. Hydraulic. |
| Rear brakes | Expanding brake (drum brake) | Expanding brake (drum brake) |
| Tires | 2.75-18 / 3.25-18 | 2.75-17 / 100/90-17 |
Fosti F31 vs Yamaha SZ — which should you buy?
Picking between the Fosti F31 and the Yamaha SZ usually comes down to the numbers you care about most. On paper, the Fosti F31 brings 12 hp in a 110 kg package, while the Yamaha SZ counters with 12 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: