Sinnis Trackstar 125 vs AJS Eco-3 (2017)
Side-by-side spec comparison, pricing, and a plain-English breakdown of how the Sinnis Trackstar 125stacks up against the AJS Eco-3. Numbers pulled from manufacturer spec sheets — click either bike for the full review.
Spec comparison
| Spec | Sinnis Trackstar 125 | AJS Eco-3 |
|---|---|---|
| Model year | 2017 | 2016 |
| Price | — | — |
| Engine | 124 cc | 124 cc |
| Horsepower | 11 hp | 10 hp |
| Weight | 107 kg | 110 kg |
| Seat height | 30 mm | 30 mm |
| Fuel capacity | 2.6 L | 2.6 L |
| Fuel type | petrol | petrol |
| Transmission | 5-speed | 5-speed |
| Front brakes | Single disc | Single disc |
| Rear brakes | Expanding brake (drum brake) | Expanding brake (drum brake) |
| Tires | 90/90-18 / 120/80-16 | 2.75-18 / 100/90-18 |
Sinnis Trackstar 125 vs AJS Eco-3 — which should you buy?
Picking between the Sinnis Trackstar 125 and the AJS Eco-3 usually comes down to the numbers you care about most. On paper, the Sinnis Trackstar 125 brings 11 hp in a 107 kg package, while the AJS Eco-3 counters with 10 hp at 110 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:

