Wossner Forged Piston Kit 54.02mm Bore – Honda CR125 (1990–1991)

This Wossner forged piston kit is designed for use in Honda CR125 models from 1990 to 1991. With a bore size of 54.02 mm and a piston diameter of 53.96 mm, this component is built to withstand the rigorous demands of 2-stroke engine operation. The design incorporates superior heat transfer properties and structural integrity under thermal expansion. Manufactured in Germany to precision standards.

Features

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  Forged for enhanced structural strength and performance

  
  


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  Efficient heat dissipation from combustion chamber to cylinder walls

  
  


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  Elliptical shape provides consistent bearing surface and balanced thrust load distribution

  
  


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  Manufactured in Germany

  
  

Specifications

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  Bore Size: 54.02 mm

  
  


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  Piston Diameter: 53.96 mm

  
  


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  Engine Displacement: 125 cm³

  
  


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  Stroke: 54.50 mm

  
  


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  Clearance: 0.06 mm

  
  


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  Compression Height: 28.00 mm

  
  


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  Compression Ratio: 2-stroke (Wossner and OEM)

  
  

Cross-Reference OEM Part Numbers

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  Piston Kit: 8107DC

  
  


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  Lock: CW15

  
  


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  Pin: WP032

  
  


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  Ring Set: RSB5400

  
  


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  Rod: P2009

  
  

Vehicle Fitments

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  Honda CR125 (1990–1991)