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

SpecPolini 910 GP4 Air JuniorSherco 2.5
Model year20072007
Price
Engine40 cc40 cc
Horsepower4 hp3 hp
Torque4 Nm
Weight21 kg17 kg
Seat height16 mm
Fuel capacity0.3 L
Fuel typepetrolpetrol
TransmissionAutomatic
Front brakesSingle discSingle disc. disc brake - disc diameter 119 mm ( 4,7´ )
Rear brakesSingle disc. 130Single disc. disc brake - disc diameter 119 mm ( 4,7´ )
Tires90/65-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: