This Wossner piston kit with a 64.00mm bore (standard size) is designed for KTM 200cc 2-stroke engines, offering high durability and performance. Suitable for both SX and EXC models across multiple years, the forged construction ensures structural integrity and efficient thermal behaviour under intense engine conditions.

Features

• 
  

  Forged piston provides superior strength and longevity

  
  


• 
  

  Facilitates efficient combustion heat transfer to the cylinder wall

  
  


• 
  

  Elliptical design promotes uniform bearing surface during heat expansion

  
  


• 
  

  Reduces localised pressure and distributes thrust loads evenly to prevent piston collapse

  
  


• 
  

  Manufactured in Germany for high-precision standards

  
  

Specifications

• 
  

  Bore: 64.00 mm

  
  


• 
  

  Actual piston size: 63.94 mm

  
  


• 
  

  Stroke: 60.00 mm

  
  


• 
  

  Display volume: 200 cm³

  
  


• 
  

  Clearance: 0.06 mm

  
  


• 
  

  Compression ratio: 2-stroke (Wossner and OEM)

  
  


• 
  

  Compression height: 28.00 mm

  
  

Cross-Reference OEM Part Numbers

• 
  

  Piston Kit: 8048DA

  
  


• 
  

  Lock: CW16

  
  


• 
  

  Pin: WP027

  
  


• 
  

  Ring Set: RSB6400 x 2

  
  


• 
  

  Part No: 56-W770.A.WO

  
  


• 
  

  52330007300

  
  


• 
  

  09104755

  
  


• 
  

  770M06400

  
  

Cross-Reference Aftermarket Part Numbers

• 
  

  Wossner: 8048DA

  
  


• 
  

  Wiseco: 770M06400

  
  


• 
  

  Vertex: 22926

  
  


• 
  

  ProX: 01-6248

  
  


• 
  

  Namura: NX-70021

  
  


• 
  

  KTM OEM Piston I Cpl.: 52330007400 I

  
  


• 
  

  KTM OEM Piston II Cpl.: 52330007400 II

  
  


• 
  

  KTM OEM Pin: 52330033100

  
  


• 
  

  KTM OEM Ring: 52330032100

  
  


• 
  

  KTM OEM Clip: 52330074100

  
  

Vehicle Fitments

• 
  

  KTM SX 200 2003–2005

  
  


• 
  

  KTM EXC 200 1998–2013