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1979 XR500S Bike Specifications:

Engine Displacement -  498cc (30.37cu. in.)

Bore Diameter - 89.0mm

Stroke -  80.0mm

Compression ratio:  8.6 : 1

Compression Pressure:  175 psi

Carb -  Kei-Hin PD 06A

  • 158 main (155 high altitude)
  • 55 pilot
  • Pilot screw 2 turns from seated
  • needle jet clip; 3rd groove from top)
  • float level 14.5mm

Dry Weight - .......kg

Tank Capacity - ........ litres

Front Rim - 23 inches

Rear Rim - ... inches

Front Brake :  Drum (140.1mm Inner Diameter)

Rear Brake:  Drum  (130.0mm Inner Diameter)

 Other Info:


Engine no. :  PD01E-5000057-on
Frame no. :  PD01-5000054-on