AJS NAC12 125 MK2 vs Keeway Arsen 125 (2015)
Side-by-side spec comparison, pricing, and a plain-English breakdown of how the AJS NAC12 125 MK2stacks up against the Keeway Arsen 125. Numbers pulled from manufacturer spec sheets — click either bike for the full review.
Spec comparison
| Spec | AJS NAC12 125 MK2 | Keeway Arsen 125 |
|---|---|---|
| Model year | 2015 | 2014 |
| Price | — | — |
| Engine | 124 cc | 124 cc |
| Horsepower | 11 hp | 10 hp |
| Torque | — | 9 Nm |
| Weight | 153 kg | 115 kg |
| Seat height | 30 mm | 31 mm |
| Fuel capacity | 4.8 L | 2.9 L |
| Fuel type | petrol | petrol |
| Transmission | 5-speed | 5-speed |
| Front brakes | Double disc | Single disc |
| Rear brakes | Single disc | Expanding brake (drum brake) |
| Tires | 100/80-17 / 130/70-17 | 2.75-18 / 3.00-18 |
AJS NAC12 125 MK2 vs Keeway Arsen 125 — which should you buy?
Picking between the AJS NAC12 125 MK2 and the Keeway Arsen 125 usually comes down to the numbers you care about most. On paper, the AJS NAC12 125 MK2 brings 11 hp in a 153 kg package, while the Keeway Arsen 125 counters with 10 hp at 115 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: