The Wiseco Single Piston Kit for the Kawasaki KX85 (2014–2025) is engineered for high performance and durability. Featuring a standard 48.50mm bore and forged from high-silicon aluminium alloy, this piston delivers dependable strength while maximising horsepower and torque. Each piston is designed with innovative skirt profiles and dedicated aerospace-grade forgings, ensuring an optimal strength-to-weight ratio. The kit includes all necessary components such as piston rings and circlips.

Features

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  Forged from high-silicon aluminium alloy for maximum strength and dependability

  
  


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  Innovative forging design and piston skirt provide maximum horsepower and torque

  
  


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  Dedicated forgings for superior strength-to-weight ratio using aerospace alloy

  
  


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  Includes rings and circlips

  
  

Specifications

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  Piston Size: STD 48.50mm

  
  


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  Actual Size: 48.45mm

  
  


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  Kit Part Number: 56-W879.00B.WI

  
  


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  Wiseco Part Number: 879M04850B

  
  


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  Ring Set: 1909CS – 48.50mm

  
  


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  Pin Locks: CW14 – Round Wire, 14mm (pair)

  
  


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  Wrist Pin: S517 – 14mm x 1.5098, unchromed, for 2-cycle engines

  
  

Cross-Reference OEM Part Numbers

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  13001-0744

  
  


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  13002-0040

  
  


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  13003-1441

  
  


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  92033-0005

  
  

Vehicle Fitments

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  Kawasaki KX85 (2014–2025)