Adly Thunder 50 vs CPI Formula R 50 (2009)
Side-by-side spec comparison, pricing, and a plain-English breakdown of how the Adly Thunder 50stacks up against the CPI Formula R 50. Numbers pulled from manufacturer spec sheets — click either bike for the full review.
Spec comparison
| Spec | Adly Thunder 50 | CPI Formula R 50 |
|---|---|---|
| Model year | 2009 | 2009 |
| Price | — | — |
| Engine | 49 cc | 49 cc |
| Horsepower | 4 hp | 3 hp |
| Torque | 1 Nm | — |
| Weight | 77 kg | — |
| Fuel capacity | — | 1.4 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 | 120/70-12 / 120/70-12 | 120/70-12 / 130/70-12 |
Adly Thunder 50 vs CPI Formula R 50 — which should you buy?
Picking between the Adly Thunder 50 and the CPI Formula R 50 usually comes down to the numbers you care about most. On paper, the Adly Thunder 50 brings 4 hp in a 77 kg package, while the CPI Formula R 50 counters with 3 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: