This Wossner piston kit is designed for Sherco SE and SE-R 250 models from 2017 to 2018. With a bore size of 66.41mm and a +0.01mm oversize, the forged piston delivers enhanced durability and precise fitment. Manufactured in Germany, the kit includes the piston, rings, pin, and circlips for complete installation.

Features

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  Forged high-performance piston with skirt coating

  
  


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  Engineered for efficient heat dissipation from combustion chamber to cylinder walls

  
  


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  Elliptical design ensures uniform bearing surface under thermal expansion

  
  


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  Minimises localised pressure and evenly distributes thrust loads

  
  


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  Prevents piston collapse under high thermal and mechanical stress

  
  


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  Includes piston, rings, pin, and circlips

  
  

Specifications

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  Bore size: 66.41mm

  
  


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  Oversize: +0.01mm

  
  


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  Ring set: RIK77.00D

  
  


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  Pin: WP070

  
  


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  Clips: CW16

  
  


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  Country of manufacture: Germany

  
  

Cross-Reference OEM Part Numbers

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  Wossner 8305DB

  
  


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  56-W9989.A.WO

  
  

Vehicle Fitments

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  Sherco SE 250 2017–2018

  
  


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  Sherco SE-R 250 2017–2018