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Polini 910 GP4 Air Junior - 2007 Specifications and Reviews

2007
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Engine and Transmission Specifications

ClutchDry with centrifuge counter weights
Transmission typefinal driveChain
Cooling systemAir
StarterKick
IgnitionElectronic with inductive discharge
Fuel systemCarburettor. SHA 14-14
Bore x stroke36.0 x 39.0 mm (1.4 x 1.5 inches)
Compression14.0:1
Power4.20
Stroke2
Engine typeSingle cylinder
Capacity:39.69 ccm (2.42 cubic inches)

Physical measures and capacities

Overall width240 mm (9.4 inches)
Overall length940 mm (37.0 inches)
Seat height395 mm (15.6 inches) If adjustable, lowest setting.
Dry weight20.5 kg (45.2 pounds)
 
 

Polini 910 GP4 Air Junior dimensions and frame

Rear brakesSingle disc. 130
Front brakes diameter148 mm (5.8 inches)
Front brakesSingle disc
Rear tyre dimensions90/65-R6.5
Front tyre dimensions90/65-R6.5
Frame typeLatticed tubular frame

Speed and acceleration

Power/weight ratio0.2049 HP/kg

CategoryMinibike, sport
Year2007
ModelPolini 910 GP4 Air Junior

Other specs

Color optionsBlue/White

Rider Reviews

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