This Wossner forged piston kit features a 50mm bore (49.95mm) and is designed for the 1984 Yamaha YZ80. Produced in Germany, the piston enhances engine durability and performance through its efficient heat transfer capability and elliptical shape, which ensures uniform expansion and reduces stress, helping to prevent piston collapse.

Features

• 
  

  Forged piston design for high strength and durability

  
  


• 
  

  Engineered for effective heat transfer to cylinder walls

  
  


• 
  

  Elliptical profile promotes even bearing surface under heat expansion

  
  


• 
  

  Manufactured in Germany

  
  

Specifications

• 
  

  Bore size: 50mm (49.95mm)

  
  


• 
  

  Display volume: 82 cm³

  
  


• 
  

  Stroke: 84.00 mm

  
  


• 
  

  Clearance: 0.06 mm

  
  


• 
  

  Compression height: 30.80 mm

  
  


• 
  

  Theoretical weight: Not specified

  
  


• 
  

  Compression ratio: 2-stroke (Wossner and OEM)

  
  

Cross-Reference OEM Part Numbers

• 
  

  Piston: 8214D200

  
  


• 
  

  Lock: CW12

  
  


• 
  

  Pin: WP091

  
  


• 
  

  Ring Set: RSB5050

  
  

Vehicle Fitments

• 
  

  Yamaha YZ80 1984