Hyosung SF50B Prima vs Aprilia SR 50 R Factory Replica SBK (2011)
Side-by-side spec comparison, pricing, and a plain-English breakdown of how the Hyosung SF50B Primastacks up against the Aprilia SR 50 R Factory Replica SBK. Numbers pulled from manufacturer spec sheets — click either bike for the full review.
Spec comparison
| Spec | Hyosung SF50B Prima | Aprilia SR 50 R Factory Replica SBK |
|---|---|---|
| Model year | 2011 | 2011 |
| Price | $1,799 | — |
| Engine | 49 cc | 49 cc |
| Horsepower | 5 hp | — |
| Torque | 4 Nm | — |
| Weight | 88 kg | 199 kg |
| Seat height | — | 32 mm |
| Fuel capacity | 1.3 L | 1.9 L |
| Fuel type | petrol | petrol |
| Transmission | Automatic | Automatic |
| Front brakes | Single disc | Single disc |
| Rear brakes | Expanding brake (drum brake) | Single disc |
| Tires | 110/70-12 / 120/70-12 | 130/60-13 / 130/60-13 |
Hyosung SF50B Prima vs Aprilia SR 50 R Factory Replica SBK — which should you buy?
Picking between the Hyosung SF50B Prima and the Aprilia SR 50 R Factory Replica SBK usually comes down to the numbers you care about most. On paper, the Hyosung SF50B Prima brings 5 hp in a 88 kg package, while the Aprilia SR 50 R Factory Replica SBK counters with its own power figure at 199 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: