This Wossner forged piston kit features a 56mm bore size (55.95mm actual) and is designed as a standard replacement for select Cagiva 125 models. Precision-engineered in Germany, the piston provides optimal heat transfer and superior structural integrity. Its elliptical design ensures even pressure distribution during operation, reducing the risk of piston collapse.

Features

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  Forged piston construction for high durability and strength

  
  


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  Elliptical design for uniform bearing surface under heat expansion

  
  


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  Efficient heat transfer from combustion chamber to cylinder walls

  
  


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  Manufactured in Germany

  
  

Specifications

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  Bore Size: 56mm (actual 55.95mm)

  
  


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  Displacement: 124 cm³

  
  


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  Stroke: 50.60 mm

  
  


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  Clearance: 0.05 mm

  
  


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  Compression Ratio (Wossner): 2-stroke

  
  


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  Compression Ratio (OEM): 2-stroke

  
  


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  Dome Volume: Domed

  
  


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  Compression Height: 25.00 mm

  
  


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  Lock Part Number: CW16

  
  


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  Pin Part Number: WP036

  
  


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  Ring Set Part Number: RSB5600

  
  

Cross-Reference OEM Part Numbers

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  56-W941.A

  
  

Vehicle Fitments

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  Cagiva 125 Mito (2000–2012)

  
  


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  Cagiva 125 Roptor (2000–2012)

  
  


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  Cagiva 125 Supercity (2000–2012)

  
  


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  Cagiva 125 Planet (2000–2012)

  
  


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  Cagiva 125 W8 / Head 200A,C,D,E,G (2000–2012)