This Wossner forged piston kit with a 67.50mm bore (+1.10mm oversize) is tailored for Honda CR250R models from 2002 to 2004. Designed for maximum durability and thermal efficiency, the piston features an elliptical profile for balanced load distribution and is manufactured in Germany to exacting standards. It is ideal for engines requiring significant reboring while maintaining performance and reliability.

Features

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  Forged construction for high strength and longevity

  
  


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  Optimised heat transfer from the combustion chamber to the cylinder walls

  
  


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  Elliptical design ensures uniform bearing surface under expansion, minimising stress points

  
  


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  Made in Germany

  
  

Specifications

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  Bore: 67.50mm

  
  


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  Actual Bore: 67.44mm

  
  


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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: 38.00mm

  
  


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  Lock Part Number: CW18

  
  


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  Pin Part Number: WP033

  
  


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  Ring Set Part Number: RSB6750 x 2

  
  


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  Rod Part Number: P2020

  
  

Vehicle Fitments

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  2002 Honda CR250R

  
  


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  2003 Honda CR250R

  
  


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  2004 Honda CR250R