NAMURA TECHNOLOGIES NX-40025-2 Piston Kit .020 66.9MM

( Brand: Namura Technologies ), ( Manufacturer Part Number: NX-40025-2 ), ( Part Type: Piston )

Review NAMURA TECHNOLOGIES .020 Over Bore Piston Kit For Yamaha And 66.9mm fits YZ250 YZ250X 1999–2023

Introducing the Namura NX-40025-2 020 Piston Kit, an essential upgrade for the Yamaha YZ250 and YZ250X motorcycles manufactured between 1999 and 2023 with a 66.9mm bore size. This kit is not just a replacement part; it is a significant improvement over the OEM components, ensuring enhanced performance, durability, and reliability for your high-performance off-road bike.

Engineered with meticulous precision, the Namura piston kit features a forged piston made of high-grade aluminum alloy. Forged pistons offer superior strength and rigidity compared to cast pistons, enabling the engine to handle the demands of aggressive riding styles. The piston's design provides an improved compression ratio and enhanced power delivery, making it a perfect match for track-focused riders who value strong and consistent engine performance.

The accompanying piston ring set includes compression rings, oil control rings, and skirt rings crafted from the finest materials to ensure optimal sealing and minimal friction. These rings benefit from a nitrided finish, which provides excellent wear resistance, further increasing the longevity of the piston kit.

Each piston ring is installed using Namura's unique side-loading ring gowns. These innovative tools make the ring installation process easier, faster, and more precise compared to traditional ring compressors. The gowns enable the A and B rings to be installed correctly the first time, reducing the frequency of ring replacement and ensuring optimal engine efficiency.

Another noteworthy feature of the Namura NX-40025-2 020 Piston Kit is its considered design. The piston's skirt is machine finish-machined, ensuring optimal piston-to-liner clearance for superior engine performance and minimizing mechanical wear. The engine's performance will remain consistent over an extended period due to the piston's balanced design, eliminating any possibility of piston slap or detonation.

Whether you're pursuing personal bests on the track or simply honing your skills on the weekend trail, the Namura NX-40025-2 020 Piston Kit is the perfect upgrade for your Yamaha YZ250 or YZ250X. With its unparalleled quality and attention to detail, it will provide increased power, improved durability, and extended engine life, ensuring that your machine remains a force to be reckoned with.

Pros and Cons of Buying Namura NX-40025-2 020 Piston Kit for Yamaha YZ250/YZ250X (1999-2023)

* Enhances power delivery and top-end performance due to the oversize piston.

* Aluminum alloy construction ensures better heat dissipation and durability.

* Top-tier materials for piston and rings ensure a long-lasting and reliable product.

* Precision-machined components fit perfectly and reduce wear and tear.

* Namura piston kit specifically addresses common crankshaft end play and ring seal problems.

* Improves engine response and overall ridability by enhancing combustion efficiency.

* Suitable for Yamaha YZ250 and YZ250X models (1999-2023) with 66.9mm bore.

* Custom engine building options available with additional accessories.

* Namura Racing offers excellent customer support and technical assistance.

* Reports of improved engine performance and longevity from satisfied customers.

* A piston kit may be an added expense for some riders, especially those with budget constraints.

* Installing the piston kit may require professional assistance due to the delicacy of the process.

* Labor costs for installing a piston kit must be factored into the overall cost.

* Having the proper tools is essential for a successful installation.

* Depending on riding habits, a piston kit might require replacement more frequently than stock parts, adding ongoing costs.

The Namura NX-40025-2 020 piston kit offers significant improvements to the Yamaha YZ250 and YZ250X engine's power delivery, efficiency, and durability. Investing in a top-quality piston kit will provide increased performance benefits, ensuring optimal engine function and enhancing your riding experience. Although there are additional costs and installation complexities, these might be offset by the advantageous performance gains and potential creature comforts offered by this upgrade.

If you're seeking optimal engine performance, improved combustion efficiency, and enhanced overall ridability on a Yamaha YZ250 or YZ250X (1999-2023), a Namura NX-40025-2 020 piston kit could be an excellent investment. For those with the required tools and the financial means to explore this upgrade, consider this upgrade, complemented by excellent customer support and reported satisfaction from other customers.

Details:

Piston dome is anodized for superior heat resistance and longer lifespan. Made in Taiwan. Compression ratio of 10.9:1. Kit is for .020 over bore size - 66.90mm.

Compatible with Yamaha model's below: 1999 YZ250. Kit Includes piston, rings, pin, clips you get exactly what is pictured. Piston is 66.85mm. Manufactured by Namura.

Piston skirts are Molybdenum Teflon coated to minimize resistance/wear and provide extended life.

part #: nx400252 prices

• $79.99-$96.86

specifications pistondon:

• for models: Yz250, Yz250x
• for makes: Yamaha
• for years: 1999-2023
• brand: Namura Technologies
• mpn: Nx-40025-2
• part type: Piston

payments pistondon:

• other
• wallet: Google-pay
• credit card: Visa

general pistondon:

• condition: New
• Motorcycle Scooter Parts Accessories > Engines Engine Parts > Pistons, Rings Piston Kits

returns pistondon:

• time: 60 Days
• paid by: Buyer
• policy: Returns Accepted

offer pistondon:

• quantity: 3
• started: December 20, 2024
• sold: 0
• availability: In Stock
• options: Ship-to-home

shipping pistondon:

• transit: 6-11 Days
• class: Standard
• cost: $0.00
• type: Fixed
• service: Standard

seller pistondon:

• city: Suamico, Wisconsin
• # reviews: 383667
• rating: 99.3%

Namura Technologies NX-40025-2 Is Similar To:

• Namura Technologies Nx-40080-4os 040 Over Bore Piston Kit For Yamaha 1993-2001 Yz80 48mm (81.1% similar) Manufactured by Namura. Made in Taiwan. Kit is for .040 over bore size - 48.00MM. Compression ratio of 8.2:1. Piston dome is anodized for superior heat resistance and longer lifespan. Piston is 47.95MM. Compatible with yamaha model's below: 1993 YZ80. Kit includes piston, rings, pin...(August 11th, 2024)
• Namura Technologies Nx-30000-c Piston Kit Standard Bore 53.96mm (59% similar) Bore: 53.96MM, sizing: standard bore, MOS2 made with Teflon /molybdenum coated skirts - a rolled on application process provides a fits bond...(August 12th, 2024)
• Namura Technologies Nx-30004 Size A 53.94mm Piston Kit For Suzuki 2001-2003 Rm125 Standard Bore 54mm (60.7% similar) Benefits include increased heat transfer, reduced friction and helping to eliminate cold seizures. Some tests have shown this feature can increase horsepower and fuel economy by up to 6%. Machined smooth heads - reflects combustion heat and reduces carbon buildup, protecting the top of piston...(August 12th, 2024)
• Namura Technologies Nx-30025-b Piston Kit Standard Bore 66.95mm (62.7% similar) Anodized domes - increases heat resistance and durability; pistons with anodized domes are 75% stronger than non-anodized. Machined smooth heads...(August 13th, 2024)
• Namura Technologies Fx-40049-c (41.2% similar) 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 piston. Anodized domes - increases heat resistance and durability; pistons with anodized domes are...(August 13th, 2024)
• Namura Technologies Nx-10080-2r Nx 10080 2 Pistons All Have Molybdenium Skirt (46.1% similar) For kits, photo might show entire kit and listing is only for one component. All Namura pistons have super-high,:: Namura pistons. Note: photos do not always represent the actual product. All Namura pistons have anodized domes that provide superior heat resistance...(August 13th, 2024)
• Namura Orna-ra418207-gs 2004 Honda Cr125 Dirt Bike Piston Rings 53.95mm (38.4% similar) I need to exchange an item. Parts without fitment are to be assumed universal and may require vehicle modification. 2004 Honda CR125 dirt bike Namura piston rings 53.95MM: ring set contains: ring to match a single piston.: brand: Namura, model number: ORAN-RA418207-GS...(August 13th, 2024)
• Namura Nx-10051-2k Top End Repair Kit 0.50mm 39.5mm 10.0 1 Honda Z50r crf50f xr50r (31.7% similar) Everything for a top end rebuild in one box. Comes with enough components to service one engine. Namura top end repair kit 0.50MM 39.5MM 10.0:1 Honda Z50R/CRF50F/XR50R: top-end repair kit can help improve the performance of your ride and keeping it running in peak condition...(August 14th, 2024)
• Namura Orna-ra418127-gs 2001-2002 Kawasaki Kx125 Dirt Bike Piston Rings 53.94mm (41.1% similar) Compatibility: Husqvarna Cr 125 1998 - 2010 , 2012 2013 , wry 2007 , 2009 Honda CR125R 2004 2007 , Kawasaki KX125 2005 , Suzuki RM125 1989 yamaha YZ125 2014 .: brand: Namura, model number: ORAN-RA418127-GS. Parts without fitment are to be assumed universal and may require vehicle...(August 14th, 2024)
• Namura Technologies Nx-30016-b Piston Kit For Engine Pistons Kits Aw (54.4% similar) Namura NX-30016-B piston kit for engine pistons kits aw: status: in stock...(August 15th, 2024)
• Namura Technologies Nx-20013-b Piston Kit Standard Bore 48.46mm (55.4% similar) Bore: 48.46MM, sizing: standard bore, MOS2 made with Teflon /molybdenum coated skirts - a rolled on application process provides a fits bond that is 10 times stronger than other spray coatings. Actual product may differ from the item shown in photograph. Benefits include increased heat...(August 15th, 2024)