1977 WSK M21W2B Kobuz
 
          General motorcycle information
Engine and transmission
Displacement
        
                      10.62 cubic inches            (174.0 ccm)
                  
      Engine type
        
          Single cylinder, 2 stroke        
      Power
      
                  14.0 horsepowers          (10.4 kiloWatts)
           at 6000 RPM              
    Torque
      
                              11.80 pound-foot/lbf-ft            (16.00 Nm / 1.63 kgf-m)
                                  
    Compression
      
                  9:1
              
    Bore x stroke
      
                  3.72 x 3.60 inches (61.0 x 59.0 mm)              
    Fuel system
      
                  Carburettor              
    Cooling system
      
                  Air              
    Gearbox
      
                  4-speed              
    Transmission type, final drive
      
                  Chain              
    Starter
      
                  Kick              
    Fuel consumption
      
                  3.00 litres/100 km, 33.3 km/l or 78.4 mpg              
    Top speed
      
                  -
              
    Chassis, suspension, brakes and wheels
Front suspension travel
        
          9.15 inches (150.0 mm)        
      Rear suspension travel
        
          5.49 inches (90.0 mm)        
      Front tyre
        
          3.00-18        
      Rear tyre
        
          3.00-18        
      Front brake
      
                                                          Expanding brake (drum)                        
    Front brakes diameter
        
          8.24 inches (135.0 mm)        
      Rear brake
      
                                                          Expanding brake (drum)                        
    Rear brakes diameter
        
          8.24 inches (135.0 mm)        
      Physical measures and capacities
Dry weight
      
                  246.9 pounds (112.0 kg)              
    Seat height
      
                  -
              
    Wheelbase
      
                  80.5 inches (1320 mm)              
    Overall length
        
          123.3 inches (2020 mm)        
      Overall width
        
          42.7 inches (700 mm)        
      Overall height
        
          65.3 inches (1070 mm)        
      Ground clearance
      
                  -
              
    Fuel capacity
      
                  2.64 gallons (10.0 litres)              
    Reserve fuel capacity
        
          0.53 gallons (2.0 litres)        
      Oil capacity
      
                  -
              
    Further motorcycle information
More specs
      
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    Insurance costs
        
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