Lem RX2 Motard vs Derbi Dirt Boy 10 (2007)
Side-by-side spec comparison, pricing, and a plain-English breakdown of how the Lem RX2 Motardstacks up against the Derbi Dirt Boy 10. Numbers pulled from manufacturer spec sheets — click either bike for the full review.
Spec comparison
| Spec | Lem RX2 Motard | Derbi Dirt Boy 10 |
|---|---|---|
| Model year | 2007 | 2006 |
| Price | — | — |
| Engine | 50 cc | 50 cc |
| Horsepower | 13 hp | 5 hp |
| Weight | 41 kg | — |
| Seat height | 24 mm | — |
| Fuel capacity | 0.5 L | 0.6 L |
| Fuel type | petrol | petrol |
| Transmission | 1-speed | 1-speed |
| Front brakes | Single disc | Single disc |
| Rear brakes | Single disc | Expanding brake (drum brake) |
| Tires | 90/90-10 / 90/90-20 | — |
Lem RX2 Motard vs Derbi Dirt Boy 10 — which should you buy?
Picking between the Lem RX2 Motard and the Derbi Dirt Boy 10 usually comes down to the numbers you care about most. On paper, the Lem RX2 Motard brings 13 hp in a 41 kg package, while the Derbi Dirt Boy 10 counters with 5 hp.
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:

