This Wossner forged piston kit with a 63.00mm nominal bore (actual 62.94mm) is engineered for ROTAX SWM175 engines from 1977 to 1982. Designed for high durability and precise performance, it meets the demands of classic two-stroke engines.

Features

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  Forged construction offers superior strength and resilience

  
  


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  Optimised for efficient heat transfer to the cylinder wall

  
  


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  Elliptical profile ensures balanced pressure distribution during operation

  
  


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  Manufactured in Germany for high-quality performance

  
  

Specifications

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  Bore Size: 63.00mm (actual 62.94mm)

  
  


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  Stroke: 57.50 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: 30.00 mm

  
  


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  Lock Part Number: CW18

  
  


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  Pin Part Number: WP040

  
  


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  Ring Set Part Number: RSB6300 x 2

  
  

Vehicle Fitments

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  ROTAX SWM175 1977–1982