This Wossner forged piston kit is a +0.02mm oversize replacement for KTM EXC500 four-stroke engines from 2012 onward. Engineered for strength and precision, it ensures consistent performance under demanding conditions, with excellent thermal transfer and structural stability.

Features

• 
  

  Forged piston construction delivers exceptional strength and reliability

  
  


• 
  

  Elliptical design provides even bearing surface during thermal expansion

  
  


• 
  

  Promotes efficient heat transfer from combustion chamber to cylinder walls

  
  


• 
  

  Designed to evenly distribute thrust loads and prevent piston collapse

  
  


• 
  

  Manufactured in Germany

  
  

Specifications

• 
  

  Bore Size: 95.02mm

  
  


• 
  

  Actual Piston Size: 94.97mm

  
  


• 
  

  Display Displacement: 510 cm³

  
  


• 
  

  Stroke: 72.00mm

  
  


• 
  

  Piston Clearance: 0.05mm

  
  


• 
  

  Wossner Compression Ratio: OEM

  
  


• 
  

  OEM Compression Ratio: 11.80:1

  
  


• 
  

  Dome Volume: -6.80 cm³

  
  


• 
  

  Compression Height: 22.80mm

  
  


• 
  

  Circlip Part Number: CW19

  
  


• 
  

  Pin Part Number: WP071

  
  


• 
  

  Ring Set Part Number: 950ADS-2

  
  

Cross-Reference OEM Part Numbers

• 
  

  Part No: 56-W925.C.WO

  
  

Vehicle Fitments

• 
  

  KTM EXC500 (2012– )