| Vespa's profilation of this bike | 
  | The new 4-stroke Hi-PER4 engine´s cutting-edge technology guarantees a smooter ride and low fuel consumption. | 
    
        | General moped information | 
  
    | Model name | Vespa ET4 50 | 
    | Year model | 2005 | 
    | Type | Scooter | 
    | Rating | 3.5   View the detailed rating of value for money, design and look, reliability, etc. Compare with any other bike. | 
    
        | Engine and transmission | 
  
    | Engine size | 49.9 ccm (3.04 cubic inches) | 
    | Type of engine | Single cylinder, four-stroke | 
    | Bore x stroke | 39.0 x 41.8 mm (1.5 x 1.6 inches) | 
    | Fuel control | Single Overhead Cams (SOHC) | 
    | Ignition | Electronic capacitive (CDI) | 
    | Lubrication system | Wet pump with oil cup capacity of 800 cc; chain driven trochoidal pump; inlet and outlet filters. | 
    | Cooling system | Air | 
    | Gearbox | Automatic | 
    | Clutch | Automatic dry centrifugal | 
    
        | Chassis, suspension, brakes and wheels | 
  
    | Frame type | Pressed steel monocoque | 
    | Front suspension | Oscillating arm with helicoidal spring and dual effect hydraulic single shock absorber | 
    | Rear suspension | Helicoidal spring and dual effect hydraulic single shock absorber | 
    | Front tire | 100/80-10 | 
    | Rear tire | 120/70-10 | 
    | Front brakes | Single disc | 
    | Diameter | 200 mm (7.9 inches) | 
    | Rear brakes | Single disc | 
    | Diameter | 110 mm (4.3 inches) | 
    
        | Physical measures and capacities | 
  
    | Dry weight | 96.0 kg (211.6 pounds) | 
    | Seat height | 780 mm (30.7 inches) If adjustable, lowest setting. | 
    | Overall length | 1760 mm (69.3 inches) | 
    | Overall width | 700 mm (27.6 inches) | 
    | Wheelbase | 1280 mm (50.4 inches) | 
    | Fuel capacity | 9.00 litres (2.38 US gallons) | 
    
        | Other specifications | 
  
    | Starter | Electric & kick | 
| Update specs | Report missing specs or required updates. | 
    
        | 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 Vespa ET4 50 discussion group or the general Vespa discussion group. | 
| Related bikes | List related bikes for comparison of specs. | 
    
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