PISTON KIT 2010 KX250F 77mm A, WOSSNER 8777DA KAWASAKI MX 13001-0115

This Wossner forged piston kit features a 77mm bore size (76.96mm actual) and is a standard fitment for the 2010 Kawasaki KX250F. Precision-engineered in Germany with a two-ring design, it provides robust performance and durability. The elliptical profile ensures even pressure distribution during heat expansion, enhancing reliability under high-stress conditions.

Features

• 
  

  Forged piston construction with two-ring configuration

  
  


• 
  

  Elliptical shape ensures uniform bearing surface under thermal expansion

  
  


• 
  

  Designed for efficient heat transfer from combustion chamber to cylinder walls

  
  


• 
  

  Manufactured in Germany

  
  

Specifications

• 
  

  Bore Size: 77mm (actual 76.96mm)

  
  


• 
  

  Displacement: 250 cm³

  
  


• 
  

  Stroke: 53.60 mm

  
  


• 
  

  Clearance: 0.04 mm

  
  


• 
  

  Compression Ratio (Wossner): OEM

  
  


• 
  

  Compression Ratio (OEM): 13.20:1

  
  


• 
  

  Dome Volume: -2.50 cm³

  
  


• 
  

  Compression Height: 19.60 mm

  
  


• 
  

  Lock Part Number: CW16

  
  


• 
  

  Pin Part Number: WP070

  
  


• 
  

  Ring Set Part Number: 770XAS-2

  
  

Cross-Reference OEM Part Numbers

• 
  

  OEM: 13001-0115

  
  


• 
  

  Wiseco: 40009M

  
  


• 
  

  Vertex: 23566

  
  


• 
  

  ProX: 01.4340

  
  


• 
  

  Wiseco: 40009M07700

  
  

Vehicle Fitments

• 
  

  2010 Kawasaki KX250F