PISTON KIT/4 YAM YZF R6 69.00, WOSSNER K8830D200-4

The Wossner K8830D200-4 piston kit is a +2.00mm oversize forged piston set designed for Yamaha YZF R6 models from 2006 to 2011. With a 69.00mm bore and a maintained compression ratio of 13.0:1, this high-performance piston kit is ideal for maximising power and durability in high-revving four-stroke engines. Made in Germany, it includes four pistons and all required installation components.

Features

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  Forged high-performance pistons with skirt coating

  
  


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  Elliptical design ensures uniform thermal expansion and even load distribution

  
  


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  Optimised for efficient heat transfer from combustion chamber to cylinder walls

  
  


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  Designed for high-compression four-stroke applications

  
  


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  Includes piston pins, clips, and rings

  
  

Specifications

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  Bore size: 69.00mm (+2.00mm oversize)

  
  


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  Measured bore: 68.94mm

  
  


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  Display displacement: 599 / 617 / 635 cm³

  
  


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  Stroke: 42.50mm

  
  


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  Clearance: 0.06mm

  
  


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  Compression ratio: 13.0:1

  
  


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  Dome volume: –2.00 cm³

  
  


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  Compression height: 21.20mm

  
  


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  Quantity: 4 pistons per kit

  
  


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  Made in Germany

  
  

Cross-Reference OEM Part Numbers

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  Part No. 56-W9874.200.WO

  
  

Vehicle Fitments

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  Yamaha YZF R6 2006–2011