The 2011 Polini X1P Air is a small minibike for children from the Italian brand Polini. Its air-cooled 49.3cc single drives through a four-speed gearbox and chain. A very low 600 mm seat, 42 kg dry weight and 3-litre tank make it easy for young riders to handle.
Editorial estimate from the spec sheet - not lab tested
Off-road & trail70%
Cornering60%
City riding10%
Daily riding5%
Touring5%
Two-up5%
Track55%
Best for
It's a pure minibike/cross machine built for playful off-road antics, pit-bike track days, and backyard or motocross-track style riding rather than any kind of transportation.
Built for
Playful, flickable, and toy-like in nature, this little two-stroke rewards an aggressive, throw-it-around riding style on tight, twisty dirt courses.
Not ideal for
It is not suitable for highway use, long-distance touring, carrying a passenger, or anyone looking for a full-size, road-legal motorcycle.
Scores are derived from the spec sheet using the same model across every bike, so they compare like for like.
Full specifications
Engine
Capacity
49.3 ccm
Power
5.4 HP (4.0 kW)
Engine type
Single, four-stroke
Power/weight ratio
0.1286 HP/kg (dry)
Bore x stroke
40.0 x 39.3 mm
Compression
14.0:1
Cooling system
Air
Fuel system
Carburettor
Starting
Kick
Ignition
Electronic
Transmission
Gearbox
4-speed
Transmission type
Manual
Final drive
Chain
Clutch
Centrifugal
Dimensions & weight
Wheelbase
900 mm
Seat height
600 mm
Dry weight
42.0 kg
Fuel capacity
3.00 litres
Chassis & suspension
Front suspension
Paioli, 33 mm
Rear suspension
Paioli monoshock
Brakes & wheels
Front brakes
Expanding brake (drum brake). Hydraulic
Front brakes diameter
150 mm
Rear brakes
Expanding brake (drum brake). Hydraulic
Rear brakes diameter
130 mm
Front tyre
2.50-10
Rear tyre
2.75-10
Other
Color options
Blue/white
Compiled from manufacturer documentation and user contributions, corrected on an ongoing basis. Spotted something wrong? Tell us.
What changed, year to year
Differences highlighted
Specification
2010
2011
2012
2013
2015
2016
Capacity
49 cc
49 cc
49 cc
49 cc
49 cc
49 cc
Dry weight
42 kg
42 kg
42 kg
42 kg
42 kg
42 kg
Seat height
600 mm
600 mm
600 mm
600 mm
600 mm
600 mm
Fuel capacity
3 L
3 L
3 L
3 L
3 L
3 L
Illustrative - generated automatically by diffing the year records already on file, not a manufacturer-published changelog.
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