This Wossner piston kit with a 45.02mm bore (+0.02mm oversize, actual size 44.98mm) is specifically designed for KTM SX65 models from 2000 to 2008. Precision-forged in Germany, it offers enhanced strength, optimal thermal performance, and reliable operation in high-revving two-stroke engines.

Features

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  Forged piston construction ensures superior durability and mechanical reliability

  
  


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  Engineered for efficient heat transfer from combustion chamber to cylinder wall

  
  


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  Elliptical design helps distribute load evenly and minimises localised stress, preventing piston collapse

  
  


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  Manufactured in Germany for consistent quality and precision

  
  

Specifications

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  Bore size: 45.02 mm

  
  


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  Actual piston size: 44.98 mm

  
  


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  Display (cm³): 63

  
  


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  Stroke (mm): 40.00

  
  


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  Clearance (mm): 0.05

  
  


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  Compression ratio: 2-stroke (Wossner and OEM)

  
  


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  Compression height (mm): 21.70

  
  

Vehicle Fitments

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  2000 KTM SX65

  
  


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  2001 KTM SX65

  
  


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  2002 KTM SX65

  
  


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  2003 KTM SX65

  
  


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  2004 KTM SX65

  
  


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  2005 KTM SX65

  
  


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  2006 KTM SX65

  
  


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  2007 KTM SX65

  
  


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  2008 KTM SX65

  
  

Included Components

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  Piston: Wossner PN# 8198DC

  
  


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  Lock: PN# CW12

  
  


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  Pin: PN# WP091

  
  


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  Ring Set: PN# RSB4500

  
  


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  Rod: PN# P2002