This Wossner forged piston kit features a 56.01mm bore size (55.96mm actual), offering a +0.01mm oversize specification tailored for select Cagiva 125 models. Engineered in Germany, this piston design enhances heat dissipation and structural reliability. Its elliptical shape ensures even distribution of forces under thermal expansion, reducing stress points and preventing piston collapse.

Features

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  Forged piston design for superior strength and performance

  
  


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  Elliptical contour ensures consistent bearing surface under heat

  
  


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  Optimised for efficient combustion heat transfer to cylinder walls

  
  


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  Manufactured in Germany

  
  

Specifications

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  Bore Size: 56.01mm (actual 55.96mm)

  
  


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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: 2 x RSB5600

  
  

Cross-Reference OEM Part Numbers

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  56-W941.B

  
  

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)