Keeway RK 125 vs AJS NAC12 125 MK2 (2017)
Side-by-side spec comparison, pricing, and a plain-English breakdown of how the Keeway RK 125stacks up against the AJS NAC12 125 MK2. Numbers pulled from manufacturer spec sheets — click either bike for the full review.
Spec comparison
| Spec | Keeway RK 125 | AJS NAC12 125 MK2 |
|---|---|---|
| Model year | 2017 | 2015 |
| Price | — | — |
| Engine | 124 cc | 124 cc |
| Horsepower | 10 hp | 11 hp |
| Torque | 9 Nm | — |
| Weight | 116 kg | 153 kg |
| Seat height | 31 mm | 30 mm |
| Fuel capacity | 3.3 L | 4.8 L |
| Fuel type | petrol | petrol |
| Transmission | 5-speed | 5-speed |
| Front brakes | Single disc | Double disc |
| Rear brakes | Single disc | Single disc |
| Tires | 2.75-18 / 3.25-18 | 100/80-17 / 130/70-17 |
Keeway RK 125 vs AJS NAC12 125 MK2 — which should you buy?
Picking between the Keeway RK 125 and the AJS NAC12 125 MK2 usually comes down to the numbers you care about most. On paper, the Keeway RK 125 brings 10 hp in a 116 kg package, while the AJS NAC12 125 MK2 counters with 11 hp at 153 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: