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