Cylinder Works standard bore cylinder kit for Honda CRF 250 models, designed as a replacement top-end assembly for 4-cycle 250 cc engines. This kit includes the cylinder, piston kit, and top end gasket kit, and is specified with a 79 mm cylinder diameter, 13.9:1 compression ratio, and compatibility with Vertex piston reference 24575.

Features

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  Standard bore cylinder kit

  
  


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  Replacement top-end assembly

  
  


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  Includes cylinder, piston kit, and top end gasket kit

  
  


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  Uses Vertex #24575

  
  

Specifications

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  Cylinder diameter: 79 mm

  
  


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  Compression ratio: 13.9:1

  
  


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  Displacement: 250 cc

  
  


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  Engine type: 4-cycle

  
  


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  Cylinder kit type: standard bore

  
  

Vehicle Fitments

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  Honda CRF 250 R (2022-2025)

  
  


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  Honda CRF 250 RWE (2025)

  
  


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  Honda CRF 250 RX (2022-2025)