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            General moped information         | 
    
  
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                            Model name                    
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                                    Polini 911 GP 3 Junior                         | 
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                            Year                    
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                                    2005                         | 
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                            Category                    
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                                    Minibike, sport                         | 
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                            Rating                    
     | 
    
                     3.3   See the detailed rating of the fun-factor, engine performance, racing track capabilities, etc. Compare with any other bike.             | 
    
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            Engine and transmission         | 
    
  
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                            Displacement                    
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                                    39.7 ccm (2.42 cubic inches)                         | 
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                            Engine type                    
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                                    Single cylinder, two-stroke                         | 
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                            Power                    
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                                    4.2 HP (3.1  kW))                         | 
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                            Compression                    
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                                    16.5:1                         | 
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                            Bore x stroke                    
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                                    36.0 x 39.0 mm (1.4 x 1.5 inches)                         | 
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                            Fuel system                    
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                                    Carburettor                         | 
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                            Ignition                    
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                                    Electronic                         | 
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                            Cooling system                    
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                                    Air                         | 
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                            Clutch                    
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                                    Dry with centrifugal counter weights                         | 
    
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            Chassis, suspension, brakes and wheels         | 
    
  
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                            Frame type                    
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                                    Lattice tubular frame                         | 
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                            Front brakes                    
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                                    Single disc                         | 
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                            Rear brakes                    
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                                    Single disc                         | 
    
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            Physical measures and capacities         | 
    
  
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                            Dry weight                    
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                                    20.5 kg (45.2 pounds)                         | 
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                            Power/weight ratio                    
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                                    0.2049 HP/kg                         | 
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                            Seat height                    
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                                    395 mm (15.6 inches) If adjustable, lowest setting.                         | 
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                            Overall length                    
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                                    940 mm (37.0 inches)                         | 
    
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            Other specifications         | 
    
  | Update specs | Report missing specs or required updates. | 
    
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            Further information         | 
    
  | Insurance costs | Compare US insurance quotes from the nation's top providers. | 
| Maintenance | Find parts, fluids. filters, maintenance tools and service manuals at Amazon.com. | 
| Ask questions | Join the 05 Polini 911 GP 3 Junior discussion group or the general Polini discussion group. | 
| Related bikes | List related bikes for comparison of specs. | 
    
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            Compare with another motorcycle         | 
    
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