KSR Sirion 50 4T vs Sym ply 50 (2017)
Side-by-side spec comparison, pricing, and a plain-English breakdown of how the KSR Sirion 50 4Tstacks up against the Sym ply 50. Numbers pulled from manufacturer spec sheets — click either bike for the full review.
Spec comparison
| Spec | KSR Sirion 50 4T | Sym ply 50 |
|---|---|---|
| Model year | 2017 | 2017 |
| Price | — | — |
| Engine | 49 cc | 49 cc |
| Horsepower | 4 hp | — |
| Weight | 92 kg | 100 kg |
| Fuel capacity | 1.3 L | 1.4 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 Sym ply 50 — which should you buy?
Picking between the KSR Sirion 50 4T and the Sym ply 50 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 Sym ply 50 counters with its own power figure at 100 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:

