1969 Jawa 90 Roadster
 
          General motorcycle information
Engine and transmission
Displacement
        
                      5.41 cubic inches            (88.7 ccm)
                  
      Engine type
        
          Single cylinder, 2 stroke        
      Power
      
                  10.2 horsepowers          (7.6 kiloWatts)
           at 6500 RPM              
    Torque
      
                              4.68 pound-foot/lbf-ft            (6.35 Nm / 0.65 kgf-m)
                     at 5500 RPM              
    Compression
      
                  8.5:1
              
    Bore x stroke
      
                  -
              
    Fuel system
      
                  Carburettor              
    Cooling system
      
                  Air              
    Gearbox
      
                  5-speed              
    Transmission type, final drive
      
                  Chain              
    Starter
      
                  Kick              
    Fuel consumption
      
                  3.20 litres/100 km, 31.2 km/l or 73.5 mpg              
    Top speed
      
                  95.0 kmh (59.0 mph)               
    Chassis, suspension, brakes and wheels
Front tyre
        
          2.5-18        
      Rear tyre
        
          2.75-18        
      Front brake
      
                                                          Expanding brake (drum)                        
    Front brakes diameter
        
          7.63 inches (125.0 mm)        
      Rear brake
      
                                                          Expanding brake (drum)                        
    Rear brakes diameter
        
          7.63 inches (125.0 mm)        
      Physical measures and capacities
Dry weight
      
                  -
              
    Wet weight
        
          187.4 pounds (85.0 kg)        
      Seat height
      
                  -
              
    Wheelbase
      
                  69.0 inches (1130 mm)              
    Overall length
        
          117.8 inches (1930 mm)        
      Overall width
        
          36.6 inches (600 mm)        
      Ground clearance
      
                  -
              
    Fuel capacity
      
                  -
              
    Oil capacity
      
                  -
              
    Further motorcycle information
More specs
      
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    Insurance costs
        
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