A steel crankshaft assembly for Yamaha YZ 85 two-stroke models, supplied as Wiseco WWCA172. This unit features a 47.80 mm stroke, includes the piston pin bearing, and corresponds to OEM reference B4B-11400-00.

Features

• 
  

  Supplied as Wiseco part WWCA172

  
  


• 
  

  Includes piston pin bearing

  
  

Specifications

• 
  

  Engine type: 2-stroke

  
  


• 
  

  Stroke: 47.80 mm

  
  


• 
  

  Material: Steel

  
  

Cross-Reference OEM Part Numbers

• 
  

  B4B-11400-00

  
  

Vehicle Fitments

• 
  

  Yamaha YZ 85 (2019–2026)