06 May. Tuesday 2025
Polini 910 GP4 Air Junior - 2007 Specifications and Reviews
2007
Engine and Transmission Specifications | |
| Clutch | Dry with centrifuge counter weights |
| Transmission typefinal drive | Chain |
| Cooling system | Air |
| Starter | Kick |
| Ignition | Electronic with inductive discharge |
| Fuel system | Carburettor. SHA 14-14 |
| Bore x stroke | 36.0 x 39.0 mm (1.4 x 1.5 inches) |
| Compression | 14.0:1 |
| Power | 4.20 |
| Stroke | 2 |
| Engine type | Single cylinder |
| Capacity: | 39.69 ccm (2.42 cubic inches) |
Physical measures and capacities | |
| Overall width | 240 mm (9.4 inches) |
| Overall length | 940 mm (37.0 inches) |
| Seat height | 395 mm (15.6 inches) If adjustable, lowest setting. |
| Dry weight | 20.5 kg (45.2 pounds) |
| | |
Polini 910 GP4 Air Junior dimensions and frame | |
| Rear brakes | Single disc. 130 |
| Front brakes diameter | 148 mm (5.8 inches) |
| Front brakes | Single disc |
| Rear tyre dimensions | 90/65-R6.5 |
| Front tyre dimensions | 90/65-R6.5 |
| Frame type | Latticed tubular frame |
| | |
Speed and acceleration | |
| Power/weight ratio | 0.2049 HP/kg |
| Category | Minibike, sport |
| Year | 2007 |
| Model | Polini 910 GP4 Air Junior |
Other specs | |
| Color options | Blue/White |
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