This Wossner forged piston kit with a 67.50mm bore (+1.10mm oversize) is specifically designed for Kawasaki KX250 models from 2002 to 2004. It features precision engineering for high performance, including a hard Teflon-coated skirt for optimal fit and adaptability to the cylinder bore. This oversized option is ideal for engines requiring significant bore refurbishment while maintaining strength and thermal efficiency under high-load conditions.

Features

• 
  

  Forged construction delivers superior strength and durability

  
  


• 
  

  Engineered for effective combustion heat transfer to cylinder walls

  
  


• 
  

  Elliptical profile ensures even thrust load distribution and reduces piston collapse risk

  
  


• 
  

  Hard Teflon skirt coating provides optimal fit and conformity to the cylinder bore

  
  

Specifications

• 
  

  Bore: 67.50mm

  
  


• 
  

  Actual Bore: 67.44mm

  
  


• 
  

  Engine Displacement: 249 cm³

  
  


• 
  

  Stroke: 72.00mm

  
  


• 
  

  Clearance: 0.06mm

  
  


• 
  

  Compression Ratio: 2-stroke (Wossner and OEM)

  
  


• 
  

  Compression Height: 37.00mm

  
  


• 
  

  Lock Part Number: CW18

  
  


• 
  

  Pin Part Number: WP033

  
  


• 
  

  Ring Set Part Number: RSB6750 x 2

  
  


• 
  

  Rod Part Number: P2022

  
  

Vehicle Fitments

• 
  

  2002 Kawasaki KX250

  
  


• 
  

  2003 Kawasaki KX250

  
  


• 
  

  2004 Kawasaki KX250