Wossner Forged Piston Kit 67.50mm Bore – Yamaha DT200R / WR200

This Wossner forged piston kit is intended for Yamaha DT200R (1988–1991) and WR200 (1992–1998) models, offering a 67.50 mm bore and 67.44 mm piston diameter (+1.50 mm oversize). Designed for high-performance 2-stroke applications, the piston is forged for enhanced durability and features an elliptical profile for optimal load distribution during thermal expansion. German-made for precision and consistency.

Features

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  Forged construction for increased strength and reliability

  
  


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  Enhanced heat transfer from combustion chamber to cylinder walls

  
  


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  Elliptical design ensures even pressure distribution and reduces piston stress

  
  


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  Manufactured in Germany

  
  

Specifications

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  Bore Size: 67.50 mm

  
  


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  Piston Diameter: 67.44 mm

  
  


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  Engine Displacement: 195 cm³

  
  


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  Stroke: 57.00 mm

  
  


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  Clearance: 0.06 mm

  
  


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  Compression Height: 29.90 mm

  
  


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  Compression Ratio: 2-stroke (Wossner and OEM)

  
  

Cross-Reference Wossner Part Numbers

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  Piston Kit: 8070D150

  
  


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  Lock: CW16

  
  


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  Pin: WP027

  
  


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  Ring Set: RSB6750 x 2

  
  

Vehicle Fitments

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  Yamaha DT200R (1988–1991)

  
  


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  Yamaha WR200 (1992–1998)