This Wossner forged piston kit is designed as a +0.50mm oversize replacement for Suzuki 185cc two-stroke engines. Ideal for vintage TS, TC, and DS models, it offers exceptional strength and thermal efficiency, making it suitable for engine rebuilds requiring slightly larger bore dimensions.

Features

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  Forged piston design for superior strength and durability

  
  


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  Elliptical profile ensures even bearing surface during thermal expansion

  
  


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  Optimised heat transfer from combustion chamber to cylinder walls

  
  


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  Helps prevent localised stress and piston collapse under load

  
  


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  Manufactured in Germany

  
  

Specifications

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  Bore Size: 64.50mm

  
  


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  Actual Piston Size: 64.43mm

  
  


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  Display Displacement: 185 cm³

  
  


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  Stroke: 57.00mm

  
  


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  Piston Clearance: 0.07mm

  
  


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  Compression Ratio: 2-stroke (Wossner and OEM)

  
  


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  Compression Height: 32.00mm

  
  


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  Circlip Part Number: CW16

  
  


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  Pin Part Number: WP027

  
  


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  Ring Set Part Number: RSB6450 x 2

  
  

Cross-Reference OEM Part Numbers

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  Part No: 56-W922_050.WO

  
  

Vehicle Fitments

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  Suzuki TS185 (1974–1977)

  
  


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  Suzuki TC185 (1971–1981)

  
  


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  Suzuki DS185 (1978–1980)