Namura Piston Kit for 1999-20 Yamaha YZ250 models - 66.37mm - NX-40025-C
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-C Fitment Type Model-Size-Specific Fitment Use Type Aftermarket Replacement Unit Sale Qty Style Type C Standard Bore Piston Kit Position Material Finish Piston/Cylinder Size 66.37mm Piston Size Added 0.02mm 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
Items will be shipped within 1 business day from the date of purchase to the address provided. Orders submitted before 3PM EST will often ship the same day. We will use an appropriate shipping service and/or carrier based on the shipping service selected at checkout and can not be changed/upgraded/modified in any way once the order is submitted.Shipping Address Restriction
If your address has a carrier restriction and is not serviced by one or more of the US domestic carriers (USPS, UPS or FedEx), then it is YOUR RESPONSIBILITY to notify us of this restriction at the time of purchase with either an order note entered before checkout, or a direct message within 15 minutes of order submission.International Purchases
All items shipped internationally will be shipped with customs declaration of purchase value; ALL duties/tariffs/fees imposed by the destination country are the buyers responsibility and are NOT calculated or imposed by us at any level and we are not liable for any additional cost that your destination country imposes. Often, these fees are due prior to or at delivery of the shipped product/s and are not subject to negotiation. If you have questions about the calculation of the fees, please contact your home nations customs/import agency for additional details as we have no control over how these amounts are calculated.
All orders must be paid in full before an order can be shipped. Cost of any additional shipping service upgrades are due at the time of checkout and can not be added once the order is complete. Certain destinations are subject to sales tax which is calculated and applied to the order total before checkout and order submission.Part Compatibility Policy
Application specific parts will have part compatibility indicated in the "Fits" or "Fitment" section of the product description and will be provided for all application specific products. These fitment indications are sourced from the product manufacturer and may be subject to change. Please be careful in reading any/all fitment indications for exact Year-Make-Model-Sub Model indications to make sure the part ordered will fit your exact application/s. If you are uncertain about a part compatibility and will to clarify before purchase, please feel free to message us at anytime and an experienced support staff member will assist you in verifying fitment to his/her best ability.Image Policy
Product specific images displayed on listings will be provided IF available, and when not available, a generic (non-specific) image will be provided that represents the general product type listed. Listing images should not be used as the exclusive basis for making your purchase decision and it is the customer responsibility to review the product description and all fitment indications before adding the item to cart.Return Policy
At SVS Powersports we understand that a product does not always look, fit or function as expected. If such a situation arrises, we do accept returns of all Unopened, Unused items with original packaging within 30 days of purchase/delivery. If your item is damaged, defective or completely different from the item ordered, please DO NOT submit a return request, please contact our knowledgable support staff with a clear description of the issue and someone will get back to you in a prompt time frame.
At SVS Powersports we are proud to offer unparalleled level of customer support and if any question or issue should arise, do not hesitate to contact us at any time. We have a very experienced and knowledgable support staff that can assist you with virtually any inquiry. Support staff is available 6 Days a week (Monday Thru Saturday) 10AM to 6PM EST by calling 1-800-787-5817 OR via email at firstname.lastname@example.org with most inquiries responded to within less than an hour during our staff support hours. If you contact us outside these hours, we may still get back you right away, but a response may be delayed until the next business day.
We Also Recommend
Athena Top-End Gasket Kit for 1995-2014 Polaris 400 Models - P400427600005