This Wossner piston kit with a 67.00mm bore (+0.60mm oversize) is designed for KTM SX250 models from 2000 to 2002. Crafted from high-quality forged materials, this piston delivers enhanced strength, thermal efficiency, and durability in demanding 2-stroke applications.

Features

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  Forged piston construction provides exceptional resistance to stress and wear

  
  


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  Engineered for effective heat transfer from the combustion chamber to the cylinder wall

  
  


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  Elliptical shape ensures uniform load distribution during thermal expansion

  
  


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  Reduces localised pressure to prevent piston collapse

  
  


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  Manufactured in Germany with precise engineering standards

  
  

Specifications

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  Bore: 67.00 mm

  
  


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  Actual piston size: 66.94 mm

  
  


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  Stroke: 72.00 mm

  
  


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  Display volume: 249 cm³

  
  


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  Clearance: 0.06 mm

  
  


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  Compression ratio: 2-stroke (Wossner and OEM)

  
  


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  Compression height: 38.00 mm

  
  

Cross-Reference OEM Part Numbers

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  Piston Kit: 8090D060

  
  


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  Lock: CW18

  
  


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  Pin: WP033

  
  


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  Ring Set: RSB6700

  
  


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  Part No: 56-W774_060.WO

  
  

Vehicle Fitments

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  KTM SX250 2000

  
  


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  KTM SX250 2001

  
  


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  KTM SX250 2002