1980 Yamaha MR50
    
  General motorcycle information
Engine and transmission
Displacement
        
                      2.99 cubic inches            (49.0 ccm)
                  
      Engine type
        
          Single cylinder, 2 stroke        
      Power
      
                  -
              
    Torque
      
                  -
              
    Compression
      
                  6:1
              
    Bore x stroke
      
                  2.44 x 2.42 inches (40.0 x 39.7 mm)              
    Fuel system
      
                  Carburettor              
    Cooling system
      
                  Air              
    Gearbox
      
                  -
              
    Transmission type, final drive
      
                  -
              
    Starter
      
                  Kick              
    Fuel consumption
      
                  -
              
    Top speed
      
                  100.0 kmh (62.1 mph)               
    Chassis, suspension, brakes and wheels
Rake (fork angle)
        
          27.3°
        
      Trail
        
          5.74 inches (94.0 mm)        
      Front tyre
        
          2.50-18-4PR        
      Rear tyre
        
          3.00-16-4PR        
      Front brake
      
                                                          Expanding brake (drum)                        
    Front brakes diameter
        
          6.71 inches (110.0 mm)        
      Rear brake
      
                                                          Expanding brake (drum)                        
    Rear brakes diameter
        
          6.71 inches (110.0 mm)        
      Physical measures and capacities
Dry weight
      
                  154.3 pounds (70.0 kg)              
    Wet weight
        
          169.8 pounds (77.0 kg)        
      Seat height
      
                  45.1 inches (740 mm)              
    Wheelbase
      
                  72.0 inches (1180 mm)              
    Overall length
        
          112.0 inches (1835 mm)        
      Overall width
        
          47.0 inches (770 mm)        
      Overall height
        
          62.2 inches (1020 mm)        
      Ground clearance
      
                  12.5 inches (205 mm)              
    Fuel capacity
      
                  1.72 gallons (6.5 litres)              
    Oil capacity
      
                  0.34 gallons (1.3 litres)              
    Further motorcycle information
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