PISTON KIT 90-91 CR125 54.00 A, WOSSNER 8107DA HONDA MX

Wossner Forged Piston Kit 54.00mm Bore – Honda CR125 1990–1991 (8107DA STD)

This Wossner forged piston kit is engineered for Honda CR125 models from 1990 to 1991, featuring a standard bore size of 54.00mm (actual 53.94mm). Designed for high-performance 2-stroke engines, it offers exceptional structural integrity, heat transfer efficiency, and resistance to thermal stress. The elliptical piston profile ensures even load distribution during expansion, helping to prevent piston collapse. Precision-made in Germany.

Features

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  Forged piston for enhanced strength and durability

  
  


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  Engineered to maximise combustion chamber heat transfer

  
  


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  Elliptical profile ensures uniform bearing surface under heat expansion

  
  


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  Suitable for 2-stroke engine performance

  
  


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  Made in Germany

  
  

Specifications

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  Bore Size: 54.00mm (Standard)

  
  


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  Actual Bore: 53.94mm

  
  


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  Compression Height: 28.00mm

  
  


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  Clearance: 0.06mm

  
  


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  Stroke: 54.50mm

  
  


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  Displacement: 125 cm³

  
  


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  Wossner Compression Ratio: 2-stroke

  
  


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  OEM Compression Ratio: 2-stroke

  
  

Cross-Reference OEM Part Numbers

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  Wossner Piston: 8107DA

  
  


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  Ring Set: RSB5400

  
  


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  Lock: CW15

  
  


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  Pin: WP032

  
  


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  Rod: P2009

  
  


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  Internal Reference: 56-W595+00A.WO

  
  


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  OEM/Aftermarket Cross Reference: 13120-KZ4-306, 595M05400

  
  

Vehicle Fitments

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  1990 Honda CR125

  
  


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  1991 Honda CR125