This Wossner forged piston kit with a 72.50mm bore (actual 72.44mm) is designed for the Bultaco TS250 model year 1970. Built to withstand the demands of two-stroke performance, it offers precise engineering for improved thermal management and piston stability.

Features

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  Forged aluminium construction for high-strength performance in two-stroke engines

  
  


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  Elliptical design reduces localised stress and ensures even load distribution

  
  


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  Enhanced heat dissipation from combustion chamber to cylinder walls

  
  


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  Manufactured in Germany to exacting standards

  
  

Specifications

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  Bore Size: 72.50mm (actual 72.44mm)

  
  


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  Stroke: 60.00 mm

  
  


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  Clearance: 0.06 mm

  
  


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  Wossner Compression Ratio: 2 stroke

  
  


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  OEM Compression Ratio: 2 stroke

  
  


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  Compression Height: 29.00 mm

  
  


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  Lock Part Number: CW16

  
  


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  Pin Part Number: WP027

  
  


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  Ring Set Part Number: RSB7250

  
  

Vehicle Fitments

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  Bultaco TS250 1970