Derbi GPX1 vs Yamaha RZ 50 (2007)
Side-by-side spec comparison, pricing, and a plain-English breakdown of how the Derbi GPX1stacks up against the Yamaha RZ 50. Numbers pulled from manufacturer spec sheets — click either bike for the full review.
Spec comparison
| Spec | Derbi GPX1 | Yamaha RZ 50 |
|---|---|---|
| Model year | 2007 | 2006 |
| Price | — | — |
| Engine | 49 cc | 49 cc |
| Horsepower | — | 7 hp |
| Torque | — | 6 Nm |
| Weight | — | 80 kg |
| Fuel capacity | 1.9 L | — |
| Fuel type | petrol | petrol |
| Transmission | — | 6-speed |
| Front brakes | Single disc. Ventilated | Single disc |
| Rear brakes | Single disc. Ventilated | Single disc |
| Tires | 120/80-14 / 150/60-14 | — |
Derbi GPX1 vs Yamaha RZ 50 — which should you buy?
Picking between the Derbi GPX1 and the Yamaha RZ 50 usually comes down to the numbers you care about most. On paper, the Derbi GPX1 brings its published horsepower, while the Yamaha RZ 50 counters with 7 hp at 80 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: