PISTON KIT/4 KAW KZ1000 ST Z1R, WOSSNER K8797D200-4 72.00mm

The Wossner K8797D200-4 piston kit is a +1.00mm oversize forged piston set developed for classic Kawasaki four-cylinder motorcycles, including the KZ1000 and Z-series models from 1977 to 1980. Featuring a 72.00mm bore and 10.0:1 compression ratio, this kit offers high-performance durability and efficient thermal transfer. Made in Germany, it includes four pistons along with essential installation components.

Features

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  Forged high-performance pistons with skirt coating

  
  


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  Elliptical design ensures uniform heat expansion and load distribution

  
  


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  Enhanced combustion chamber heat transfer to cylinder walls

  
  


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  Engineered for four-stroke engines with high compression

  
  


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  Includes piston pins, clips, and rings

  
  

Specifications

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  Bore size: 72.00mm (+1.00mm oversize)

  
  


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  Measured bore: 71.94mm

  
  


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  Display displacement: 1045 / 1075 cm³

  
  


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  Stroke: 66.00mm

  
  


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  Clearance: 0.06mm

  
  


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  Compression ratio: 10.0:1

  
  


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  Compression height: 32.00mm

  
  


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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-W9870.200.WO

  
  


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  Clip: CW17

  
  


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  Piston Pin: WP083

  
  


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  Ring Set: 720XDS

  
  

Vehicle Fitments

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  Kawasaki KZ1000 1980

  
  


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  Kawasaki KZ1000ST 1980

  
  


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  Kawasaki Z1R 1977–1980

  
  


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  Kawasaki Z2R 1977–1980