Wossner Forged Piston Kit 66.75mm Bore – Yamaha DT200R / WR200

This Wossner forged piston kit is built for Yamaha DT200R (1988–1991) and WR200 (1992–1998) models. Featuring a 66.75 mm bore and a piston diameter of 66.74 mm (+0.80 mm oversize), it is ideal for high-performance 2-stroke engine applications. Forged in Germany, the piston ensures excellent heat management and structural resilience, with an elliptical design that supports even load distribution under operating temperatures.

Features

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  Forged for enhanced strength and engine longevity

  
  


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  Engineered for efficient combustion heat transfer

  
  


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  Elliptical shape for uniform bearing surface and balanced thrust loads

  
  


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  Manufactured in Germany

  
  

Specifications

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  Bore Size: 66.75 mm

  
  


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  Piston Diameter: 66.74 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: 8070D080

  
  


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  Lock: CW16

  
  


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  Pin: WP027

  
  


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  Ring Set: RSB6680 x 2

  
  

Vehicle Fitments

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  Yamaha DT200R (1988–1991)

  
  


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  Yamaha WR200 (1992–1998)