PISTON KIT YAMAHA YZ 65 2018-2020, WOSSNER 8306DC, 43.50mm

This Wossner piston kit is intended for Yamaha YZ 65 models from 2018 to 2019. With a bore size of 43.52mm and a +0.02mm oversize, this forged piston provides a precise fit, high thermal stability, and excellent strength for high-performance use. Manufactured in Germany, it is built to endure the stresses of off-road racing conditions.

Features

• 
  

  Forged high-performance piston with skirt coating

  
  


• 
  

  Designed for efficient combustion heat transfer to cylinder walls

  
  


• 
  

  Elliptical design ensures uniform bearing surface under heat expansion

  
  


• 
  

  Evenly distributes thrust loads to reduce localised pressure

  
  


• 
  

  Prevents piston collapse under extreme operating conditions

  
  

Specifications

• 
  

  Bore size: 43.52mm

  
  


• 
  

  Piston size 43.47mm

  
  


• 
  

  Oversize: +0.02mm

  
  


• 
  

  Country of manufacture: Germany

  
  

Cross-Reference OEM Part Numbers

• 
  

  Wossner 8306DCB

  
  


• 
  

  56-W9991.C.WO

  
  

Vehicle Fitments

• 
  

  Yamaha YZ 65 2018–2019