This Wossner forged piston kit with a 50.00mm bore (+2.00mm oversize) is designed for Suzuki RM85 models from 2002 to 2018. Engineered to meet the demands of oversized rebuilds, this German-manufactured piston offers exceptional strength, thermal efficiency, and reliability. The elliptical design supports even pressure distribution, reducing wear and preventing structural failure during high-performance operation.

Features

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  Forged construction delivers maximum strength and longevity under demanding conditions

  
  


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  Engineered for efficient heat transfer from combustion chamber to cylinder walls

  
  


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  Elliptical profile ensures even thrust load distribution and reduces piston collapse risk

  
  


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  Made in Germany

  
  

Specifications

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  Bore: 50.00mm

  
  


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  Actual Bore: 49.95mm

  
  


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  Engine Displacement: 84 cm³

  
  


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  Stroke: 46.80mm

  
  


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  Clearance: 0.05mm

  
  


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  Compression Ratio: 2-stroke (Wossner and OEM)

  
  


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  Compression Height: 27.00mm

  
  


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  Lock Part Number: CW14

  
  


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  Pin Part Number: WP058

  
  


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  Ring Set Part Number: RSB5000

  
  


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  Rod Part Number: P2007

  
  

Vehicle Fitments

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  Suzuki RM85 2002 - 2018