PISTON KIT BULTACO TS250 73.50, WOSSNER 8291D150

This Wossner forged piston kit with a 73.50mm nominal bore (actual 73.44mm) is designed for the Bultaco TS250 from 1970. Engineered for two-stroke performance, the piston ensures optimal heat transfer, minimised friction, and long-term durability in demanding conditions.

Features

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  Forged construction for maximum strength and reliability

  
  


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  Elliptical piston profile enhances heat distribution and reduces stress points

  
  


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  Manufactured to tight tolerances for consistent performance

  
  


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  Made in Germany with high-precision engineering

  
  

Specifications

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  Bore Size: 73.50mm (actual 73.44mm)

  
  


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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: RSB7350

  
  

Vehicle Fitments

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  Bultaco TS250 1970