Lem RX3 Racing vs CH Racing CH 509 Pro Senior (2011)
Side-by-side spec comparison, pricing, and a plain-English breakdown of how the Lem RX3 Racingstacks up against the CH Racing CH 509 Pro Senior. Numbers pulled from manufacturer spec sheets — click either bike for the full review.
Spec comparison
| Spec | Lem RX3 Racing | CH Racing CH 509 Pro Senior |
|---|---|---|
| Model year | 2011 | 2010 |
| Price | — | — |
| Engine | 50 cc | 50 cc |
| Horsepower | 13 hp | 12 hp |
| Weight | 42 kg | 40 kg |
| Seat height | 27 mm | 27 mm |
| Fuel capacity | 0.5 L | 0.7 L |
| Fuel type | petrol | petrol |
| Transmission | Automatic | — |
| Front brakes | Single disc | Single disc |
| Rear brakes | Single disc | Expanding brake (drum brake) |
| Tires | 2.50-12 / 2.75-10 | 2.50-12 / 2.50-10 |
Lem RX3 Racing vs CH Racing CH 509 Pro Senior — which should you buy?
Picking between the Lem RX3 Racing and the CH Racing CH 509 Pro Senior usually comes down to the numbers you care about most. On paper, the Lem RX3 Racing brings 13 hp in a 42 kg package, while the CH Racing CH 509 Pro Senior counters with 12 hp at 40 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: