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Yamaha YZ 250 Top End Rebuild Piston Kit Rings 2002-2019 Gaskets Namura YZ250
Yamaha YZ 250 Top End Rebuild Piston Kit Rings 2002-2019 Gaskets Namura YZ250

Yamaha YZ 250 Top End Rebuild Piston Kit Rings 2002-2019 Gaskets Namura YZ250

$ 50.15

Availability: 77 in stock
  • Return shipping will be paid by: Buyer
  • Type: Pistons & Piston Kits
  • Item must be returned within: 60 Days
  • Refund will be given as: Money Back
  • Condition: New
  • Manufacturer Part Number: NX-40025KA
  • Returns Accepted: Returns Accepted
  • Restocking Fee: 10%
  • Brand: Namura Technologies

    Description

    Yamaha YZ 250 Top End Rebuild Piston Kit
    Namura Piston Kit,
    Includes Piston, Rings, Pin, Clips, Top End Bearing and Gasket Kit,
    Stock Bore Size 66.40mm
    Fits Model
    Yamaha YZ250 2002 2003 2004 2005 2006 2007 2008 2009 2010 2011 2012 2013 2014 2015 2016 2017 2018 2019 2020
    Manufacture #  NX-40025KA
    Part # 185-4025A
    Namura's Piston Information
    MOS2 (Teflon/Molybdenum) Coated Skirts
    A rolled-on application process provides a bond that is 10 times stronger than other spray on coatings. Benefits include increased heat transfer, reduced friction, and helping to eliminate cold seizures.
    Machined Smooth Heads
    Reflects combustion heat and reduces carbon buildup, protecting the top of the piston. Some tests have shown this feature can increase horsepower and fuel economy by up to 6%.
    Anodized Domes
    Increases heat resistance and durability; pistons with anodized domes are 75% stronger than non-anodized pistons.
    Hypereutectic Casting Process
    Provides higher silicon content for reduced expansion rates and additional wear resistance; it also has an ability to withstand higher cylinder temperatures.
    2002-2019 Yamaha YZ 250 Top End Rebuild Piston Kit