AJS JSM Trail 125 vs GAS GAS Halley 125 4T (2011)
Side-by-side spec comparison, pricing, and a plain-English breakdown of how the AJS JSM Trail 125stacks up against the GAS GAS Halley 125 4T. Numbers pulled from manufacturer spec sheets — click either bike for the full review.
Spec comparison
| Spec | AJS JSM Trail 125 | GAS GAS Halley 125 4T |
|---|---|---|
| Model year | 2011 | 2010 |
| Price | — | — |
| Engine | 124 cc | 124 cc |
| Horsepower | 10 hp | — |
| Weight | 115 kg | — |
| Seat height | 30 mm | 37 mm |
| Fuel capacity | 2.3 L | — |
| Fuel type | petrol | petrol |
| Transmission | 5-speed | 6-speed |
| Front brakes | Single disc | Single disc. 2-piston caliper. |
| Rear brakes | Single disc | Single disc. Single-piston |
| Tires | 3.00-21 / 4.10-18 | 2.75-21 / 4.10-18 |
AJS JSM Trail 125 vs GAS GAS Halley 125 4T — which should you buy?
Picking between the AJS JSM Trail 125 and the GAS GAS Halley 125 4T usually comes down to the numbers you care about most. On paper, the AJS JSM Trail 125 brings 10 hp in a 115 kg package, while the GAS GAS Halley 125 4T counters with its own power figure.
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: