Wossner Forged Piston Kit 68.50mm Bore – Yamaha DT200R / WR200

This Wossner forged piston kit is designed for Yamaha DT200R (1988–1991) and WR200 (1992–1998) models, with a bore size of 68.50 mm and a piston diameter of 68.44 mm (+2.50 mm oversize). Built for 2-stroke engine performance, the piston ensures superior heat transfer, strength, and dimensional stability. Its elliptical design distributes loads evenly, reducing stress under thermal expansion. Precision-manufactured in Germany.

Features

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  Forged piston construction for enhanced strength and reliability

  
  


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  Optimised combustion heat dissipation to cylinder walls

  
  


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  Elliptical profile for consistent bearing surface and minimised pressure points

  
  


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  Made in Germany for high manufacturing accuracy

  
  

Specifications

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  Bore Size: 68.50 mm

  
  


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  Piston Diameter: 68.44 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: 8070D250

  
  


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  Lock: CW16

  
  


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  Pin: WP027

  
  


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  Ring Set: RSB6850 x 2

  
  

Vehicle Fitments

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  Yamaha DT200R (1988–1991)

  
  


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  Yamaha WR200 (1992–1998)