Sym Jet 4 50 vs Rieju RS Blast Urban (2019)
Side-by-side spec comparison, pricing, and a plain-English breakdown of how the Sym Jet 4 50stacks up against the Rieju RS Blast Urban. Numbers pulled from manufacturer spec sheets — click either bike for the full review.
Spec comparison
| Spec | Sym Jet 4 50 | Rieju RS Blast Urban |
|---|---|---|
| Model year | 2019 | 2017 |
| Price | — | — |
| Engine | 50 cc | 50 cc |
| Weight | 109 kg | 93 kg |
| Seat height | — | 32 mm |
| Fuel capacity | 1.4 L | 2.5 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 | 120/60-13 / 130/70-12 | 130/60-13 / 130/60-13 |
Sym Jet 4 50 vs Rieju RS Blast Urban — which should you buy?
Picking between the Sym Jet 4 50 and the Rieju RS Blast Urban usually comes down to the numbers you care about most. On paper, the Sym Jet 4 50 brings its published horsepower in a 109 kg package, while the Rieju RS Blast Urban counters with its own power figure at 93 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:

