VALVE CENTRE INTAKE YZF250 01-, 5NL-12111-30-00, 80-80075

This intake valve is a center-position, standard replacement part for Yamaha WR and YZ 250F models from 2001 to 2013. Constructed from Black Diamond™ stainless steel and nitrided for enhanced durability, the valve offers improved resistance to wear and corrosion. Precision-engineered for high-performance applications, it is recommended to use with Kibblewhite® lightweight valve spring kits for optimal reliability and function.

Features

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  One-piece forged construction from Black Diamond™ stainless steel

  
  


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  Black Nitroneg coating for reduced friction and extended service life

  
  


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  Engineered using Finite Element Analysis and flow bench tested

  
  


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  Intended for use with Kibblewhite® lightweight valve spring kits

  
  

Specifications

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  Valve Type: Intake (Center)

  
  


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  Material: Black Diamond™ Stainless

  
  


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  Coating: Black Nitroneg

  
  


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  Quantity: 1

  
  


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  Head Diameter: 23.00 mm / 0.906"

  
  


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  Stem Diameter: 4.0 mm / 0.1568"

  
  


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  Tulip: 25º

  
  


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  Overall Length: 3.095"

  
  


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  Remarks: Standard (Center)

  
  

Cross-Reference OEM Part Numbers

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  Kibblewhite 80-80075

  
  


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  PSYCHIC XU-09519I-4

  
  


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  Vertex 8400005-2

  
  


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  Wiseco VIT005C

  
  


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  Yamaha 5NL-12111-30-00

  
  


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  Yamaha 5NL-12111-00-00

  
  


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  Yamaha 5NL-12111-10-00

  
  


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  Yamaha 5NL-12111-20-00

  
  

Vehicle Fitments

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  Yamaha WR250F (2001–2013)

  
  


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  Yamaha YZ250F (2001–2013)

  
  


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  2001 WR250F - WR250FN VALVE