Polini 911 GP 3 Junior vs Italjet Fast Boy 10 (2007)

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 10. Numbers pulled from manufacturer spec sheets — click either bike for the full review.

Spec comparison

SpecPolini 911 GP 3 JuniorItaljet Fast Boy 10
Model year20052007
Price
Engine40 cc47 cc
Horsepower4 hp
Weight21 kg25 kg
Seat height16 mm24 mm
Fuel capacity0.3 L
Fuel typepetrolpetrol
TransmissionAutomatic
Front brakesSingle discSingle disc
Rear brakesSingle discSingle disc
Tires2.75-10 / 2.75-10

Polini 911 GP 3 Junior vs Italjet Fast Boy 10 — which should you buy?

Picking between the Polini 911 GP 3 Junior and the Italjet Fast Boy 10 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 10 counters with its own power figure at 25 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: