The Wossner Forged Piston Kit with a 76.81mm bore (actual size 76.77mm) is a precision-engineered component for the Honda CRF250R (2016–2017). This +0.01 oversize piston is forged in Germany and designed for superior strength and thermal efficiency, offering consistent load distribution through an elliptical profile to prevent piston collapse and ensure reliable performance.

Features

• 
  

  Superior strength and precision-engineered design

  
  


• 
  

  Optimised heat transfer from combustion chamber to cylinder walls

  
  


• 
  

  Elliptical design for uniform expansion and even thrust load distribution

  
  


• 
  

  Manufactured in Germany

  
  

Specifications

• 
  

  Piston Size: 76.81mm (+0.01)

  
  


• 
  

  Actual Size: 76.77mm

  
  


• 
  

  Kit Part Number: 56-W8800.00B.WO

  
  


• 
  

  Wossner Part Number: 8925DB

  
  


• 
  

  Ring Set: 768XAS-2

  
  


• 
  

  Pin: WP070

  
  


• 
  

  Pin Locks: CW16

  
  


• 
  

  Piston Type: Forged

  
  


• 
  

  Piston to Bore Clearance: Built-in per Wossner specifications

  
  

Cross-Reference OEM Part Numbers

• 
  

  13101-KRN-B10

  
  

Vehicle Fitments

• 
  

  Honda CRF250R (2016–2017)