This Wossner forged piston kit is a +0.01mm oversize option for the Husqvarna CR150 models from 2011 to 2013. Precision-engineered for high-performance two-stroke engines, it offers robust durability and optimal heat management for reliable operation under racing conditions.

Features

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  Forged piston construction for maximum strength and longevity

  
  


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  Elliptical design ensures even bearing surface during heat expansion

  
  


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  Optimised heat transfer from combustion chamber to cylinder walls

  
  


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  Prevents piston collapse by evenly distributing thrust loads

  
  


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  Manufactured in Germany

  
  

Specifications

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  Bore Size: 58.01mm

  
  


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  Actual Piston Size: 57.95mm

  
  


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  Display Displacement: 144 cm³

  
  


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  Stroke: 54.50mm

  
  


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  Piston Clearance: 0.06mm

  
  


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  Compression Ratio: 2-stroke (Wossner and OEM)

  
  


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  Compression Height: 28.00mm

  
  


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  Circlip Part Number: CW15

  
  


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  Pin Part Number: WP032

  
  


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  Ring Set Part Number: RSB5800

  
  

Cross-Reference OEM Part Numbers

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  Part No: 56-W924.B.WO

  
  

Vehicle Fitments

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  Husqvarna CR150 (2011–2013)