PISTON KIT 04-07 CR125 58.00, WOSSNER 8170D400 HONDA MX

This Wossner piston kit features a 58.00mm bore with a 57.95mm piston size, designed as a +4.00mm oversize upgrade for increased displacement. Precision-forged in Germany, it is built for superior durability and optimal thermal performance. Suitable for Honda CR125R models from 2005 to 2007, this piston kit ensures uniform pressure distribution and robust engine reliability.

Features

• 
  

  Forged for exceptional strength and high-load tolerance

  
  


• 
  

  Advanced heat transfer design improves thermal efficiency

  
  


• 
  

  Elliptical profile enhances bearing surface under thermal expansion

  
  


• 
  

  Reduces risk of piston collapse by distributing thrust loads evenly

  
  


• 
  

  German engineering and manufacturing quality

  
  

Specifications

• 
  

  Bore: 58.00mm

  
  


• 
  

  Piston Size: 57.95mm

  
  


• 
  

  Compression Ratio: 2-stroke

  
  


• 
  

  OEM Compression Ratio: 2-stroke

  
  


• 
  

  Clearance: 0.05mm

  
  


• 
  

  Compression Height: 28.00mm

  
  


• 
  

  Stroke: 54.50mm

  
  


• 
  

  Displacement: 125 cm³

  
  

Cross-Reference OEM Part Numbers

• 
  

  NAMURA NX-10003

  
  


• 
  

  WOSSNER 8170DA

  
  


• 
  

  WISECO 859M05400

  
  


• 
  

  13110-KSR-730

  
  


• 
  

  13120-KSR-730

  
  


• 
  

  13111-KV3-000

  
  


• 
  

  13111-KZ4-000

  
  


• 
  

  13121-KSR-731

  
  


• 
  

  94601-15000

  
  

Vehicle Fitments

• 
  

  Honda CR125R 2005–2007