Polini 910 GP4 Air Junior vs Polini 910 Dirt Road S Air (2007)

Side-by-side spec comparison, pricing, and a plain-English breakdown of how the Polini 910 GP4 Air Juniorstacks up against the Polini 910 Dirt Road S Air. Numbers pulled from manufacturer spec sheets — click either bike for the full review.

Spec comparison

SpecPolini 910 GP4 Air JuniorPolini 910 Dirt Road S Air
Model year20072005
Price
Engine40 cc40 cc
Horsepower4 hp4 hp
Weight21 kg18 kg
Seat height16 mm15 mm
Fuel capacity0.5 L
Fuel typepetrolpetrol
Front brakesSingle discSingle disc
Rear brakesSingle disc. 130Single disc
Tires90/65-R6.5 / 90/65-R6.5

Polini 910 GP4 Air Junior vs Polini 910 Dirt Road S Air — which should you buy?

Picking between the Polini 910 GP4 Air Junior and the Polini 910 Dirt Road S Air 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 Polini 910 Dirt Road S Air counters with 4 hp at 18 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: