1929 BMW R57
 
          General motorcycle information
Engine and transmission
Displacement
        
                      30.14 cubic inches            (494.0 ccm)
                  
      Engine type
        
          Two cylinder boxer, 4 stroke        
      Power
      
                  17.9 horsepowers          (13.4 kiloWatts)
           at 4000 RPM              
    Torque
      
                  -
              
    Compression
      
                  5.8:1
              
    Bore x stroke
      
                  -
              
    Fuel system
      
                  Carburettor              
    Cooling system
      
                  Air              
    Gearbox
      
                  -
              
    Transmission type, final drive
      
                  Shaft drive (cardan)              
    Starter
      
                  Kick              
    Fuel consumption
      
                  4.20 litres/100 km, 23.8 km/l or 56.0 mpg              
    Top speed
      
                  115.0 kmh (71.5 mph)               
    Chassis, suspension, brakes and wheels
Front tyre
        
          3.50-26.00        
      Rear tyre
        
          3.50-26.00        
      Front brake
      
                                                          Expanding brake (drum)                        
    Front brakes diameter
        
          12.20 inches (200.0 mm)        
      Rear brake
      
                                                          Expanding brake (drum)                        
    Rear brakes diameter
        
          12.20 inches (200.0 mm)        
      Physical measures and capacities
Dry weight
      
                  -
              
    Seat height
      
                  -
              
    Wheelbase
      
                  85.4 inches (1400 mm)              
    Overall length
        
          128.1 inches (2100 mm)        
      Overall width
        
          48.8 inches (800 mm)        
      Overall height
        
          58.0 inches (950 mm)        
      Ground clearance
      
                  -
              
    Fuel capacity
      
                  3.17 gallons (12.0 litres)              
    Oil capacity
      
                  -
              
    Further motorcycle information
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    Insurance costs
        
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