This Wossner forged piston kit features a 57.00mm bore size (56.95mm actual), offering a +1mm oversize fitment for Cagiva 125 two-stroke engines. Manufactured in Germany, the piston is designed to enhance heat dissipation and maintain structural integrity under thermal load. Its elliptical profile ensures balanced thrust force distribution, minimising the risk of piston failure.

Features

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  Forged piston construction for increased durability and performance

  
  


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  Elliptical shape ensures even pressure distribution during expansion

  
  


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  Engineered for effective heat transfer to cylinder walls

  
  


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  Manufactured in Germany

  
  

Specifications

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  Bore Size: 57.00mm (actual 56.95mm)

  
  


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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: 2 x RSB5700

  
  

Cross-Reference OEM Part Numbers

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  56-W941_100

  
  

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 / Head 200A,C,D,E,G (2000–2012)