Haojin HJ125-9 vs AJS Eco-125 (2010)
Side-by-side spec comparison, pricing, and a plain-English breakdown of how the Haojin HJ125-9stacks up against the AJS Eco-125. Numbers pulled from manufacturer spec sheets — click either bike for the full review.
Spec comparison
| Spec | Haojin HJ125-9 | AJS Eco-125 |
|---|---|---|
| Model year | 2010 | 2009 |
| Price | — | — |
| Engine | 124 cc | 124 cc |
| Horsepower | 11 hp | 10 hp |
| Torque | 7 Nm | — |
| Weight | 150 kg | 114 kg |
| Seat height | — | 30 mm |
| Fuel type | petrol | petrol |
| Transmission | — | 5-speed |
| Front brakes | Single disc | Single disc |
| Rear brakes | Expanding brake (drum brake) | Expanding brake (drum brake) |
| Tires | — | 2.75-18 / 90/90-18 |
Haojin HJ125-9 vs AJS Eco-125 — which should you buy?
Picking between the Haojin HJ125-9 and the AJS Eco-125 usually comes down to the numbers you care about most. On paper, the Haojin HJ125-9 brings 11 hp in a 150 kg package, while the AJS Eco-125 counters with 10 hp at 114 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:

