Wossner forged piston kit 8019D100 is a +1.00mm oversized piston with a 55.00mm bore, designed for Honda CRM R 125 (1986–2006) and NSR R 125 (1988–2003) models. Built in Germany, this piston offers superior structural strength, precise thermal management, and durability under high-performance conditions. The kit includes all required components for a full installation.

Features

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  Forged construction ensures high strength and durability

  
  


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  Elliptical profile allows for even pressure distribution during heat expansion

  
  


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  Excellent heat transfer from the combustion chamber to cylinder walls

  
  


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  Minimises localised pressure to reduce risk of piston collapse

  
  


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  Made in Germany

  
  


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  Complete kit includes piston, rings, pin, and circlips

  
  

Specifications

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  Bore: 55.00mm (Measured: 54.94mm)

  
  


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  Display Volume: 124 cm³

  
  


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  Stroke: 54.50mm

  
  


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  Clearance: 0.06mm

  
  


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  Compression Height: 30.00mm

  
  


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  Wossner Compression Ratio: 2-stroke

  
  


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  OEM Compression Ratio: 2-stroke

  
  


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  Part No.: 56-W906+100.WO (Wossner 8019D100)

  
  


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  Ring Set: RSB5500 x 2

  
  


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  Lock P/N: CW16

  
  


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  Pin P/N: WP036

  
  

Cross-Reference OEM Part Numbers

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  Not provided

  
  

Vehicle Fitments

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  1986–2006 Honda CRM R 125

  
  


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  1988–2003 Honda NSR R 125