This Wossner forged piston kit is specifically designed for the Kawasaki KX250 models from 2002 to 2004, offering superior strength and thermal efficiency. With a 66.40mm bore and precision-engineered components, it ensures reliable performance under high-stress conditions. Manufactured in Germany, this piston utilises advanced design features to optimise heat transfer and load distribution, making it an ideal replacement for original equipment.

Features

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  Forged construction for enhanced strength and durability

  
  


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  Optimised heat transfer from combustion chamber to cylinder walls

  
  


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  Elliptical design reduces localised pressure and evenly distributes thrust loads

  
  


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  Manufactured in Germany

  
  

Specifications

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  Bore: 66.40mm

  
  


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  Actual Bore: 66.34mm

  
  


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  Engine Displacement: 249 cm³

  
  


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  Stroke: 72.00mm

  
  


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  Clearance: 0.06mm

  
  


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  Compression Ratio: 2-stroke (Wossner and OEM)

  
  


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  Compression Height: 37.00mm

  
  


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  Lock Part Number: CW18

  
  


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  Pin Part Number: WP033

  
  


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  Ring Set Part Number: RSB6640 x 2

  
  


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  Rod Part Number: P2022

  
  

Cross-Reference OEM Part Numbers

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  13001-0013

  
  


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  09104809

  
  


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  799M06640

  
  

Vehicle Fitments

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  2002 Kawasaki KX250

  
  


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  2003 Kawasaki KX250

  
  


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  2004 Kawasaki KX250