KSR Sirion 125 vs Yamaha Mio Z (2021)
Side-by-side spec comparison, pricing, and a plain-English breakdown of how the KSR Sirion 125stacks up against the Yamaha Mio Z. Numbers pulled from manufacturer spec sheets — click either bike for the full review.
Spec comparison
| Spec | KSR Sirion 125 | Yamaha Mio Z |
|---|---|---|
| Model year | 2021 | 2021 |
| Price | — | — |
| Engine | 125 cc | 125 cc |
| Horsepower | 9 hp | 9 hp |
| Torque | — | 10 Nm |
| Weight | 115 kg | 94 kg |
| Seat height | — | 30 mm |
| Fuel capacity | 1.6 L | 2.0 L |
| Fuel type | petrol | petrol |
| Transmission | Automatic | — |
| Front brakes | Single disc | Single disc |
| Rear brakes | Single disc | Expanding brake (drum brake) |
| Tires | 120/70-12 / 130/70-12 | 80/80-14 / 100/70-14 |
KSR Sirion 125 vs Yamaha Mio Z — which should you buy?
Picking between the KSR Sirion 125 and the Yamaha Mio Z usually comes down to the numbers you care about most. On paper, the KSR Sirion 125 brings 9 hp in a 115 kg package, while the Yamaha Mio Z counters with 9 hp at 94 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: