This Wossner forged piston kit is a +0.02mm oversize replacement for Cagiva 125cc two-stroke models, including Mito, Raptor, Supercity, Planet, W8, and Head 200H,M from 2000 to 2012. It is ideal for applications requiring slight cylinder reboring, maintaining precise engine performance and durability.

Features

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  Forged piston construction offers enhanced strength and long-term reliability

  
  


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  Elliptical design ensures a consistent bearing surface during heat expansion

  
  


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  Promotes efficient heat transfer to cylinder walls for improved thermal stability

  
  


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  Even distribution of thrust loads prevents localised stress and piston collapse

  
  


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  Manufactured in Germany

  
  

Specifications

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  Bore Size: 56.00mm

  
  


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  Actual Piston Size: 55.97mm

  
  


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  Display Displacement: 124 cm³

  
  


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  Stroke: 50.60mm

  
  


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  Piston Clearance: 0.05mm

  
  


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  Wossner Compression Ratio: 2-stroke

  
  


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  OEM Compression Ratio: 2-stroke

  
  


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  Dome Volume: Flat

  
  


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  Compression Height: 25.00mm

  
  


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  Lock Part Number: CW16

  
  


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  Pin Part Number: WP036

  
  


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  Ring Set Part Number: 2 x RSB5600

  
  

Cross-Reference OEM Part Numbers

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  Part No: 56-W940+00C.WO

  
  

Vehicle Fitments

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  Cagiva 125 Mito (2000–2012)

  
  


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  Cagiva 125 Raptor (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 (2000–2012)

  
  


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  Cagiva Head 200H,M (2000–2012)