1. Pistons, Rings & Piston Kits Products
  2. sku: 12170194003969983
  3. NAMURA NX-70001K

NAMURA TECHNOLOGIES NX-70001K Top End Repair Kit Standard 39.46MM Atv/utv Bike

fits model: Street.

Nx-70001k Namura Technologies Top End Repair Kit - Standard Bore 39.46mm Motorcycle Atv/utv Street Bike

( Brand: Namura Technologies ), ( Manufacturer Part Number: NX-70001K ), ( Make: Ktm )

Review NAMURA TECHNOLOGIES Top End Repair Kit Standard Bore 39.46mm Motorcycle Atv/utv Bike fits STREET

Introducing the Namura NX-7001K Top End Repair Kit, specifically designed for standard 39.46mm ATV/UTV street bikes. This comprehensive repair kit comes packed with high-quality components to help you get your engine running smoothly again.

The heart of this repair kit is the new set of piston rings. Made from a durable and heat-resistant material, these rings are designed to seal the piston to the cylinder wall tightly, preventing combustion gases from escaping and ensuring optimal engine performance. The kit also includes new piston pins, piston pin bushings, and piston pin clips, ensuring a proper fit and function of the piston rings.

Moreover, the Namura NX-7001K Top End Repair Kit comes with new cylinder head gaskets. These gaskets are precision-engineered to provide a perfect seal between the cylinder head and the engine block, preventing coolant and oil from mixing and maintaining the necessary compression.

The kit also includes new valve guide seals, which are essential for sealing the gap between the valve stems and the cylinder head. These seals prevent oil from leaking out and ensure proper valve function. Additionally, the kit includes new valve stem seals, which help to prevent combustion gases from escaping and maintain engine compression.

The Namura NX-7001K Top End Repair Kit is a must-have for any ATV/UTV street bike owner looking to maintain or restore their engine's performance. With its high-quality components, this repair kit is not only effective but also durable, ensuring that your engine runs smoothly for years to come. Whether you're a seasoned mechanic or a DIY enthusiast, this repair kit is easy to install and provides excellent value for money. So, don't hesitate and order your Namura NX-7001K Top End Repair Kit today!

Pros and Cons of buying a NAMURA NX-70001K Top End Repair Kit for Standard 39.46mm ATV/UTV Street Bikes

The NAMURA NX-70001K Top End Repair Kit is designed for repairing the engine of standard 39.46mm ATV/UTV street bikes. Let's explore the potential advantages and disadvantages of purchasing this product for your vehicle.

Pros:

1. Comprehensive Kit: The NAMURA NX-70001K Top End Repair Kit includes all the necessary components for a top end engine rebuild, such as pistons, rings, gaskets, and seals. This can save you time and money as you don't need to purchase each part individually.

2. High-Quality Materials: The kit uses high-quality materials for durability and reliability, which can help extend the life of your engine and reduce the need for frequent repairs.

3. Easy Installation: The instructions provided with the kit are clear and easy to follow, allowing for a relatively straightforward installation process. This can save you the cost of hiring a professional mechanic for the job.

Cons:

1. Cost: The NAMURA NX-70001K Top End Repair Kit is a significant investment. The cost of the kit can be a barrier for some riders, especially if they are working on a tight budget.

2. Requires Skill: While the installation process may be relatively straightforward, it still requires a certain level of mechanical skill and experience. If you don't feel confident in your ability to complete the repair yourself, it may be worth considering hiring a professional mechanic.

3. Time-Consuming: The engine rebuild process can be time-consuming, taking anywhere from a few hours to several days depending on your experience level and the complexity of the repair. This can be a disadvantage if you need your vehicle back in working order as soon as possible.

Conclusion:

The NAMURA NX-70001K Top End Repair Kit offers several advantages for those looking to repair their ATV/UTV street bike engine, including the comprehensive nature of the kit, the high-quality materials used, and the potential cost savings from completing the repair yourself. However, the significant investment required, the need for mechanical skills, and the time-consuming nature of the repair process are potential disadvantages to consider before making a purchase. Ultimately, the decision to buy this kit depends on your budget, experience level, and the importance of having a fully functional engine for your riding activities.

Recommendation:

If you have a solid mechanical background, the necessary time and resources, and the budget to invest in a top-quality repair kit, the NAMURA NX-70001K Top End Repair Kit could be an excellent choice for your ATV/UTV street bike engine repair. However, if you lack the required skills or experience, or if the cost is a significant concern, it may be worth exploring other options, such as hiring a professional mechanic or purchasing a less expensive, less comprehensive repair kit.

Details:

Bore: 39.46mm, Sizing: Standard Bore, Sold as: Each. Top End kit includes: piston, rings, wrist pin, clips, top end bearing, and gasket. MOS2 Teflon/Molybdenum Coated Skirts A rolled on application process provides a bond that is 10 times stronger than other spray coatings. 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. Benefits include increased heat transfer, reduced friction and helping to eliminate cold seizures. Namura, 39.46mm Top End Kit, This item fits the following model's: KTM 50 Jr Adventure 2003, KTM 2002, Mini 2008, 2007, 2006, 2005, 2004, Sr 2002. Any damage claims may be exchanged for the identical item only.

part #: nx70001k prices

  • $53.51-$68.26

specifications pistondon:

  • for models: Street
  • brand: Namura Technologies
  • mpn: Nx-70001k
  • make: Ktm

returns pistondon:

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

offer pistondon:

  • started: May 3, 2026
  • availability: In Stock
  • options: Ship-to-home
  • quantity: 2
  • sold: 0

shipping pistondon:

  • transit: 4-8 Days
  • type: Fixed
  • service: Economy, Standard, Expedited
  • cost: $0.00
  • class: Economy, Standard, Expedited

general pistondon:

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

payments pistondon:

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

seller pistondon:

  • city: Loudon, Tennessee
  • rating: 99.6%
  • # reviews: 644307
for models: street,
manufacturer: ktm, category: motorcycle parts > motorcycle scooter parts accessories > engines engine parts > pistons, rings piston kits, sku: 12170194003969983,

Namura Technologies NX-70001K Is Similar To:

pistondon logo
5 offers $53.51–$68.26 USD
  • Offer #1: $53.51 price + $0.00 shipping estimate = $53.51* total. Hypereutectic Casting Process. Reflects combustion heat and reduces carbon buildup, protecting the top of the piston.FREE SHIPPING
  • Offer #2: $56.99 price + $0.00 shipping estimate = $56.99* total. Genuine Namura Products Reflects combustion heat and reduces carbon buildup, protecting the top of the piston.FREE SHIPPING
  • Offer #3: $68.26 price + $0.00 shipping estimate = $68.26* total. Namura top-end repair kit can help improve the performance of your ride and keeping it running in peak condition.FREE SHIPPING
  • Offer #4: $56.66 price + $11.99 shipping estimate = $68.65* total. 2004 KTM 50. Namura Top End Rebuild Kit Standard Bore 39.46mm.+$11.99 shipping
  • Offer #5: $53.57 price + $0.00 shipping estimate = $53.57* total. Machined Smooth Heads Reflects combustion heat and reduces carbon buildup, protecting the top of the piston. Benefits include increased heat transfer, reduced friction and helping to eliminate cold seizures.FREE SHIPPING

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