KSR Sirion 50 4T vs Yamaha Neos (2017)
Side-by-side spec comparison, pricing, and a plain-English breakdown of how the KSR Sirion 50 4Tstacks up against the Yamaha Neos. Numbers pulled from manufacturer spec sheets — click either bike for the full review.
Spec comparison
| Spec | KSR Sirion 50 4T | Yamaha Neos |
|---|---|---|
| Model year | 2017 | 2016 |
| Price | — | — |
| Engine | 49 cc | 49 cc |
| Horsepower | 4 hp | 3 hp |
| Torque | — | 3 Nm |
| Weight | 92 kg | — |
| Seat height | — | 31 mm |
| Fuel capacity | 1.3 L | 1.6 L |
| Fuel type | petrol | petrol |
| Transmission | Automatic | Automatic |
| Front brakes | Single disc | Single disc |
| Rear brakes | Expanding brake (drum brake) | Expanding brake (drum brake) |
| Tires | — | 120/70-12 / 130/70-12 |
KSR Sirion 50 4T vs Yamaha Neos — which should you buy?
Picking between the KSR Sirion 50 4T and the Yamaha Neos usually comes down to the numbers you care about most. On paper, the KSR Sirion 50 4T brings 4 hp in a 92 kg package, while the Yamaha Neos counters with 3 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:

