Keeway F-Act NKD 50 vs Generic Sirion 50 (2012)
Side-by-side spec comparison, pricing, and a plain-English breakdown of how the Keeway F-Act NKD 50stacks up against the Generic Sirion 50. Numbers pulled from manufacturer spec sheets — click either bike for the full review.
Spec comparison
| Spec | Keeway F-Act NKD 50 | Generic Sirion 50 |
|---|---|---|
| Model year | 2012 | 2012 |
| Price | — | — |
| Engine | 49 cc | 49 cc |
| Horsepower | 3 hp | 4 hp |
| Torque | 3 Nm | 4 Nm |
| Weight | 93 kg | 92 kg |
| Fuel capacity | 1.3 L | 1.3 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 | 120/70-12 / 130/70-12 |
Keeway F-Act NKD 50 vs Generic Sirion 50 — which should you buy?
Picking between the Keeway F-Act NKD 50 and the Generic Sirion 50 usually comes down to the numbers you care about most. On paper, the Keeway F-Act NKD 50 brings 3 hp in a 93 kg package, while the Generic Sirion 50 counters with 4 hp at 92 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: