Yamaha BWs 12 vs Beta Ark AC RR (2010)
Side-by-side spec comparison, pricing, and a plain-English breakdown of how the Yamaha BWs 12stacks up against the Beta Ark AC RR. Numbers pulled from manufacturer spec sheets — click either bike for the full review.
Spec comparison
| Spec | Yamaha BWs 12 | Beta Ark AC RR |
|---|---|---|
| Model year | 2010 | 2010 |
| Price | — | — |
| Engine | 49 cc | 49 cc |
| Horsepower | 3 hp | — |
| Torque | 4 Nm | — |
| Weight | 82 kg | 88 kg |
| Seat height | 30 mm | — |
| Fuel capacity | 1.4 L | 2.0 L |
| Fuel type | petrol | petrol |
| Transmission | Automatic | Automatic |
| Front brakes | Single disc | Single disc |
| Rear brakes | Expanding brake (drum brake) | Single disc |
| Tires | 120/70-12 / 130/70-12 | 130/60-13 / 130/60-13 |
Yamaha BWs 12 vs Beta Ark AC RR — which should you buy?
Picking between the Yamaha BWs 12 and the Beta Ark AC RR usually comes down to the numbers you care about most. On paper, the Yamaha BWs 12 brings 3 hp in a 82 kg package, while the Beta Ark AC RR counters with its own power figure at 88 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:

