NAMURA TECHNOLOGIES NX-70047 Piston Kit Standard 67.44MM 67.5MM

( Brand: Namura Technologies ), ( Manufacturer Part Number: NX-70047 ), ( Part Type: Piston )

Review NAMURA TECHNOLOGIES Size 67.44mm Piston Kit For Ktm And Exc Standard Bore 67.5mm fits SX MXC 250

Introducing the Namura NX-70047 piston kit, specifically designed for KTM 250 SX MXC EXC standard models with a bore size of 67.44mm and a stroke length of 67.5mm. This high-performance piston kit is engineered to deliver optimal power and efficiency for your KTM motorcycle.

The piston kit comprises of a forged piston made from a high-strength aluminum alloy, ensuring superior durability and reliability even under extreme racing conditions. The piston's crown is designed with a dish shape and a compressor domed shape that enhances the combustion process, resulting in increased power output.

Moreover, the piston kit includes a new ring package consisting of a compression ring, oil control ring, and a top ring. These rings are precision machined to ensure a perfect seal and minimal friction, resulting in better engine performance and improved fuel efficiency.

Additionally, the piston kit comes with a new piston pin and a new ring retainer. The piston pin is made from high-strength steel, ensuring maximum strength and durability. The ring retainer is designed to ensure proper ring positioning and retention.

The piston kit is also compatible with the OEM connecting rod and crankshaft, making it a direct replacement for the stock piston. The kit includes all necessary hardware for installation, making it easy for even the most novice of mechanics to install.

In summary, the Namura NX-70047 piston kit is a high-performance upgrade for your KTM 250 SX MXC EXC standard model. It delivers increased power output, improved fuel efficiency, and superior durability, making it an excellent investment for any serious off-road racer or enthusiast.

Pros and Cons of buying a Namura NX-70047 Piston Kit for KTM 250 SX MXC EXC Standard 67.5mm

a. Enhanced Performance: Upgrading to a new piston kit can lead to improved engine performance, including increased horsepower and torque.

b. Longer Engine Life: High-quality aftermarket piston kits, like the Namura NX-70047, are engineered to provide better durability and extended engine life.

c. Customization: This piston kit is specifically designed for the KTM 250 SX MXC EXC Standard 67.5mm engine, ensuring a perfect fit and optimized engine characteristics.

d. Cost-Effective: In the long run, an aftermarket piston kit can be more cost-effective than continually replacing stock pistons due to regular wear and tear.

a. Installation Complexity: Installing a new piston kit requires some mechanical expertise and specialized tools, which might be a challenge for some riders.

b. Cost: While the long-term benefits can outweigh the initial investment, the cost of purchasing and installing a new piston kit can be significant.

c. Risk of Damage: Improper installation or use of low-quality aftermarket parts can result in engine damage and increased maintenance costs.

Ending Conclusion: The Namura NX-70047 piston kit offers several advantages, including enhanced performance, longer engine life, and customization for the KTM 250 SX MXC EXC Standard 67.5mm engine. However, potential drawbacks include the installation complexity, cost, and the risk of damage if not installed correctly.

Recommendation: If you are a dedicated motorbike enthusiast or racing professional, investing in a high-quality aftermarket piston kit like the Namura NX-70047 can lead to significant performance improvements and extended engine life. However, for casual riders or those with limited mechanical expertise, it might be wiser to consider other engine upgrades or focus on regular maintenance to ensure the longevity of their engine.

Details:

Piston dome is anodized for superior heat resistance and longer lifespan. Compatible with KTM model's below: 1996 - 1999 250 EXC. 1996 - 1999 250 SX. Made in Taiwan.

Kit Includes piston, rings, pin, clips you get exactly what is pictured. Size A piston is 67.44mm. Piston skirts are Molybdenum Teflon coated to minimize resistance/wear and provide extended life. Manufactured by Namura.

Kit is for standard bore size - 67.50mm.

part #: nx70047 prices

• $86.73-$108.59

specifications pistondon:

• for models: Sx, Mxc, 250
• for makes: Ktm
• brand: Namura Technologies
• mpn: Nx-70047
• part type: Piston

seller pistondon:

• rating: 99.6%
• # reviews: 7188
• city: Minford OH

general pistondon:

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

returns pistondon:

• paid by: Seller
• policy: Returns Accepted
• time: 30 Days

offer pistondon:

• availability: In Stock
• quantity: 1
• sold: 0
• options: Ship-to-home
• started: May 3, 2025

payments pistondon:

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

shipping pistondon:

• service: USPS First Class, USPS Priority Mail Padded Flat Rate Envelope, USPS Priority Mail Express
• type: Fixed
• class: Standard, Expedited
• cost: $0.00
• transit: 4-7 Days
• carrier: USPS

Namura Technologies NX-70047 Is Similar To:

• Namura Technologies Nx-40080-4os 040 Over Bore Piston Kit For Yamaha 1993-2001 Yz80 48mm (54.5% 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 (65.9% 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 (75.2% 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 (68.3% 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 (39.4% 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 (46.9% 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 (37% 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 (29.3% 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 (34.3% 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 (54.1% 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 (65.9% 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)