Hyosung SF50B Prima vs Sym Jet SportX 50 Factory (2011)
Side-by-side spec comparison, pricing, and a plain-English breakdown of how the Hyosung SF50B Primastacks up against the Sym Jet SportX 50 Factory. Numbers pulled from manufacturer spec sheets — click either bike for the full review.
Spec comparison
| Spec | Hyosung SF50B Prima | Sym Jet SportX 50 Factory |
|---|---|---|
| Model year | 2011 | 2011 |
| Price | $1,799 | — |
| Engine | 49 cc | 49 cc |
| Horsepower | 5 hp | — |
| Torque | 4 Nm | — |
| Weight | 88 kg | 98 kg |
| Fuel capacity | 1.3 L | 1.7 L |
| Fuel type | petrol | petrol |
| Transmission | Automatic | Automatic |
| Front brakes | Single disc | Single disc. Wave disk |
| Rear brakes | Expanding brake (drum brake) | Single disc. Optional drum brake |
| Tires | 110/70-12 / 120/70-12 | 120/70-12 / 130/70-12 |
Hyosung SF50B Prima vs Sym Jet SportX 50 Factory — which should you buy?
Picking between the Hyosung SF50B Prima and the Sym Jet SportX 50 Factory 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 Sym Jet SportX 50 Factory counters with its own power figure at 98 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:

