Polini 910 GP4 Air Junior vs Sherco 2.5 (2007)
Side-by-side spec comparison, pricing, and a plain-English breakdown of how the Polini 910 GP4 Air Juniorstacks up against the Sherco 2.5. Numbers pulled from manufacturer spec sheets — click either bike for the full review.
Spec comparison
| Spec | Polini 910 GP4 Air Junior | Sherco 2.5 |
|---|---|---|
| Model year | 2007 | 2007 |
| Price | — | — |
| Engine | 40 cc | 40 cc |
| Horsepower | 4 hp | 3 hp |
| Torque | — | 4 Nm |
| Weight | 21 kg | 17 kg |
| Seat height | 16 mm | — |
| Fuel capacity | — | 0.3 L |
| Fuel type | petrol | petrol |
| Transmission | — | Automatic |
| Front brakes | Single disc | Single disc. disc brake - disc diameter 119 mm ( 4,7´ ) |
| Rear brakes | Single disc. 130 | Single disc. disc brake - disc diameter 119 mm ( 4,7´ ) |
| Tires | 90/65-R6.5 / 90/65-R6.5 | 3-4 / 3-4 |
Polini 910 GP4 Air Junior vs Sherco 2.5 — which should you buy?
Picking between the Polini 910 GP4 Air Junior and the Sherco 2.5 usually comes down to the numbers you care about most. On paper, the Polini 910 GP4 Air Junior brings 4 hp in a 21 kg package, while the Sherco 2.5 counters with 3 hp at 17 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:

