1950 BMW R51 2
 
          
      General motorcycle information
Engine and transmission
Displacement
        
                      30.14 cubic inches            (494.0 ccm)
                  
      Engine type
        
          Two cylinder boxer, 4 stroke        
      Power
      
                  24.1 horsepowers          (17.9 kiloWatts)
           at 5600 RPM              
    Torque
      
                  -
              
    Compression
      
                  6.4:1
              
    Bore x stroke
      
                  4.15 x 4.15 inches (68.0 x 68.0 mm)              
    Fuel system
      
                  Carburettor              
    Fuel control
        
          Overhead Valves (OHV)        
      Cooling system
      
                  Air              
    Gearbox
      
                  4-speed              
    Transmission type, final drive
      
                  Shaft drive (cardan)              
    Starter
      
                  Kick              
    Fuel consumption
      
                  4.10 litres/100 km, 24.4 km/l or 57.4 mpg              
    Top speed
      
                  135.0 kmh (83.9 mph)               
    Chassis, suspension, brakes and wheels
Front tyre
        
          3.50-19.00        
      Rear tyre
        
          3.50-19.00        
      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
      
                  -
              
    Wet weight
        
          407.9 pounds (185.0 kg)        
      Seat height
      
                  -
              
    Wheelbase
      
                  85.4 inches (1400 mm)              
    Overall length
        
          130.0 inches (2130 mm)        
      Overall width
        
          49.7 inches (815 mm)        
      Overall height
        
          43.9 inches (720 mm)        
      Ground clearance
      
                  7.3 inches (120 mm)              
    Fuel capacity
      
                  3.70 gallons (14.0 litres)              
    Oil capacity
      
                  -
              
    Further motorcycle information
More specs
      
    Ask questions
      
    Insurance costs
        
          Get estimated US insurance cost with a quote from Insurifinder.com.        
       
                     US
 US Norge
 Norge Sverige
 Sverige Danmark
 Danmark Espana
 Espana Deutschland
 Deutschland France
 France Italia
 Italia 
         
        