Yamaha RZ 50 vs Derbi GPX1 (2007)
Side-by-side spec comparison, pricing, and a plain-English breakdown of how the Yamaha RZ 50stacks up against the Derbi GPX1. Numbers pulled from manufacturer spec sheets — click either bike for the full review.
Spec comparison
| Spec | Yamaha RZ 50 | Derbi GPX1 |
|---|---|---|
| Model year | 2006 | 2007 |
| 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 | Single disc. Ventilated |
| Rear brakes | Single disc | Single disc. Ventilated |
| Tires | — | 120/80-14 / 150/60-14 |
Yamaha RZ 50 vs Derbi GPX1 — which should you buy?
Picking between the Yamaha RZ 50 and the Derbi GPX1 usually comes down to the numbers you care about most. On paper, the Yamaha RZ 50 brings 7 hp in a 80 kg package, while the Derbi GPX1 counters with its own power figure.
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: