Polini 911 GP 3 Junior vs Italjet Fast Boy (2008)
Side-by-side spec comparison, pricing, and a plain-English breakdown of how the Polini 911 GP 3 Juniorstacks up against the Italjet Fast Boy. Numbers pulled from manufacturer spec sheets — click either bike for the full review.
Spec comparison
| Spec | Polini 911 GP 3 Junior | Italjet Fast Boy |
|---|---|---|
| Model year | 2005 | 2008 |
| Price | — | — |
| Engine | 40 cc | 47 cc |
| Horsepower | 4 hp | — |
| Weight | 21 kg | 24 kg |
| Seat height | 16 mm | — |
| Fuel capacity | — | 0.3 L |
| Fuel type | petrol | petrol |
| Transmission | — | Automatic |
| Front brakes | Single disc | Single disc |
| Rear brakes | Single disc | Single disc |
| Tires | — | 2.75-10 / 2.75-10 |
Polini 911 GP 3 Junior vs Italjet Fast Boy — which should you buy?
Picking between the Polini 911 GP 3 Junior and the Italjet Fast Boy usually comes down to the numbers you care about most. On paper, the Polini 911 GP 3 Junior brings 4 hp in a 21 kg package, while the Italjet Fast Boy counters with its own power figure at 24 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: