This Wossner piston kit features a 67.50mm bore size (67.44mm actual) and is designed for the 1986 Suzuki RM250. Forged in Germany for durability and precise fit, the piston incorporates an elliptical design that ensures consistent load distribution during thermal expansion, improving overall reliability and reducing the risk of piston collapse.

Features

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  Forged construction for increased strength

  
  


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  Elliptical shape ensures even load distribution under expansion

  
  


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  Designed for efficient heat transfer from combustion chamber to cylinder walls

  
  


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  Manufactured in Germany

  
  

Specifications

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  Bore Size: 67.50mm (67.44mm)

  
  


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  Display: 246 cm³

  
  


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  Stroke: 70.00 mm

  
  


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  Clearance: 0.06 mm

  
  


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  Compression Height: 37.00 mm

  
  


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  Compression Ratio: 2-stroke (Wossner and OEM)

  
  

Cross-Reference OEM Part Numbers

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  Piston Kit: 8158D050

  
  


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  Lock: CW18

  
  


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  Pin: WP033

  
  


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  Ring Set: RSB6750

  
  


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  Part No.: 56-W543+050.WO

  
  

Vehicle Fitments

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  Suzuki RM250 1986