This Wossner piston kit features a 72.00mm bore with a measured diameter of 71.98mm, providing a +0.02mm oversize fitment. Designed for Beta RR300 and Xtrainer300 models from 2013 to 2017, this two-ring forged piston delivers robust performance, excellent heat transfer, and structural integrity under demanding conditions.

Features

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  Forged construction ensures superior strength and durability

  
  


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  Designed for optimal heat dissipation from combustion chamber to cylinder walls

  
  


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  Elliptical profile maintains a uniform bearing surface during heat expansion

  
  


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  Even thrust load distribution prevents piston collapse

  
  


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  Manufactured in Germany

  
  

Specifications

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  Bore: 72.00mm

  
  


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  Diameter: 71.98mm

  
  


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  Ring Type: Two Ring

  
  


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  Compression Ratio (Wossner): 2-stroke

  
  


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  Compression Ratio (OEM): 2-stroke

  
  

Cross-Reference OEM Part Numbers

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  Part No. 56-W9921.00B.WO

  
  


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  Wossner Piston 8298DC

  
  

Vehicle Fitments

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  Beta RR300 2013–2017

  
  


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  Beta Xtrainer300 2013–2017