Namura Overbore Piston Kit for 1999-20 Yamaha YZ250 models - 67.85mm - NX-40025-6
Namura Technologies Piston Kit
- Namura gives you a higher performance piston without the higher price
- MOS2 Coated Skirts increase heat transfer and reduce friction to eliminate cold seizures.
- Higher silicon content reduces expansion rates and increasesÊwear resistance.
- Machined Smooth Heads Reflect combustion heat and reduces carbon buildup.
- Namura piston kits come with the piston, a set of OEM quality rings, a wrist pin, and circlips.
Why replace your cylinder when you can replace the piston for a fraction of the cost and time? Namura offers direct replacements for the original equipment as well as hi-compression and a variety of bore sizes to meet your ride's needs. MOS2 (Teflon/Molybdenum) Coated Skirts increased heat transfer, reduced friction, and helping to eliminate cold seizures. Machined Smooth Heads Reflect combustion heat and reduces carbon buildup, protecting the top of the piston. Anodized Domes Increase heat resistance and durability; anodized domes are 75% stronger than non-anodized pistons. Hyper-eutectic Casting Process Provides higher silicon content for reduced expansion rates and additional wear resistance. Namura gives you a higher performance piston without the higher price. Namura piston kits come with the piston individually wrapped, a set of OEM quality rings packed in their own box, a wrist pin, and circlips.
Product Line Namura Piston Kit Part Number NX-40025-6 Fitment Type Model-Size-Specific Fitment Use Type Aftermarket Replaceent Unit Sale Qty Style Oversized Piston Kit Position Material Finish Piston/Cylinder Size 67.85mm Piston Size Added 1.50mm Cylinder Stroke Volume Final Engine Displacement California Emissions FALSE Product Disclaimer Fitment Note Fitment Note Fitment Note Fitment Note Fitment Note
2020 Yamaha YZ250X
2019 Yamaha YZ250X
2018 Yamaha YZ250X
2017 Yamaha YZ250X
2016 Yamaha YZ250X
2020 Yamaha YZ250
2019 Yamaha YZ250
2018 Yamaha YZ250
2017 Yamaha YZ250
2016 Yamaha YZ250
2015 Yamaha YZ250
2014 Yamaha YZ250
2013 Yamaha YZ250
2012 Yamaha YZ250
2011 Yamaha YZ250
2010 Yamaha YZ250
2009 Yamaha YZ250
2008 Yamaha YZ250
2007 Yamaha YZ250
2006 Yamaha YZ250
2005 Yamaha YZ250
2004 Yamaha YZ250
2003 Yamaha YZ250
2002 Yamaha YZ250
2001 Yamaha YZ250
2000 Yamaha YZ250
1999 Yamaha YZ250
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