PISTON KIT 03-09 RM250 66.40 B, WOSSNER 8086DB 2-RING SUZUKI

This Wossner forged piston kit is designed for the Suzuki RM250 models from 2003 to 2012. Featuring a 66.41mm bore and 66.35mm piston diameter, it is manufactured in Germany to deliver reliable performance, excellent thermal efficiency, and long service life in high-demand two-stroke engines.

Features

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  Forged piston design for maximum strength and durability

  
  


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  Enhanced heat dissipation from the combustion chamber to cylinder walls

  
  


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  Elliptical piston profile ensures consistent bearing surface under expansion, preventing collapse

  
  


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  Made in Germany for precision engineering and manufacturing quality

  
  

Specifications

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  Bore Size: 66.41 mm

  
  


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  Piston Diameter: 66.35 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: 8086DB

  
  


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  Alternate Piston Kit Reference: 56-W823.B.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

  
  


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  OEM Part Numbers: 12110-37F20-0F0, 12110-37F30-0F0, 12141-37E02, 12151-37F00, 12151-28C00, 09381-18002

  
  

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