PISTON KIT 03-09 RM250 66.40 C, WOSSNER 8086DC 2-RING SUZUKI

This Wossner forged piston kit is designed for the Suzuki RM250 models from 2003 to 2012. With a bore size of 66.42mm and a piston diameter of 66.36mm, this +0.02 oversize piston offers high strength, consistent thermal performance, and durability under extreme two-stroke engine conditions.

Features

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  Forged piston construction enhances strength and longevity

  
  


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  Optimised design promotes efficient heat transfer from combustion chamber to cylinder wall

  
  


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  Elliptical piston shape provides uniform bearing surface during heat expansion, minimising localised stress and reducing collapse risk

  
  


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  Manufactured in Germany to ensure high precision and consistent quality

  
  

Specifications

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  Bore Size: 66.42 mm

  
  


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  Piston Diameter: 66.36 mm

  
  


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  Compression Height: 38.00 mm

  
  


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  Stroke: 72.00 mm

  
  


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  Clearance: 0.06 mm

  
  


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  Compression Ratio: 2-stroke (Wossner and OEM)

  
  


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  Displacement: 249 cm³

  
  

Cross-Reference OEM Part Numbers

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  Wossner Piston Kit: 8086DC

  
  


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  Alternate Piston Kit Reference: 56-W823.C.WO

  
  


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  Lock: CW18

  
  


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  Pin: WP033

  
  


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  Ring Set: RSB6640 x2

  
  


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  Rod: P2025

  
  

Vehicle Fitments

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  2003 Suzuki RM250

  
  


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  2004 Suzuki RM250

  
  


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  2005 Suzuki RM250

  
  


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  2006 Suzuki RM250

  
  


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  2007 Suzuki RM250

  
  


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  2008 Suzuki RM250

  
  


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  2009 Suzuki RM250

  
  


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  2010 Suzuki RM250

  
  


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  2011 Suzuki RM250

  
  


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  2012 Suzuki RM250