EK Chain Yamaha YZ85 2002-2020 428 STD 428-126

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EK's heavy duty chains offer another option for smaller displacement motorcycle owners. The heavy duty version of our non-sealed chains offer increased wear life compared to the standard non-sealed versions.


  • Pin: Diameter 4.47mm Length 18.15mm
  • Roller: Diameter 8.51mm
  • Plate Thickness: Inner 1.8mm, Outer 1.8mm
  • Tensile Strength: 4,900 lbs.
  • Wear Life Index: 120 (Std. as 100)
  • Weight (100 Links): 2.07kg
  • Max Disp. CC's: Dirt: 80 Street: 125