The Wossner 8100DB piston kit is a +0.01 oversize forged piston designed for the 2004 Honda CR125. Featuring a 54.01mm bore and 53.96mm piston diameter, this precision-engineered component enhances strength, thermal efficiency, and performance in high-demand two-stroke engine applications. Its elliptical design ensures uniform load distribution during heat expansion, reducing the risk of piston damage. Manufactured in Germany, this kit meets stringent quality standards for reliable use.

Features

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  Forged piston construction provides superior strength and endurance

  
  


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  Designed for efficient heat dissipation from combustion chamber to cylinder walls

  
  


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  Elliptical profile enables even bearing surface and reduces localised pressure

  
  


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  Precision-manufactured in Germany

  
  

Specifications

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  Bore: 54.01 mm

  
  


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  Piston Diameter: 53.96 mm

  
  


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  Display Displacement: 125 cm³

  
  


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  Stroke: 54.50 mm

  
  


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  Piston Clearance: 0.05 mm

  
  


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  Compression Height: 28.00 mm

  
  


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  Compression Ratio (Wossner and OEM): 2-stroke

  
  


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  Lock Part Number: CW15

  
  


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  Pin Part Number: WP032

  
  


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  Ring Set Part Number: RSB5400

  
  


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  Rod Part Number: P2009

  
  

Vehicle Fitments

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  2004 Honda CR125