1. Pistons, Rings & Piston Kits Products
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  3. NAMURA NX-40098K

NAMURA TECHNOLOGIES NX-40098K Top End Repair Kit Standard 47.44MM 8.2 Compression Atv/utv 2026 2025 2024 2023 2022 2021 2020

fits model: Yz85. year: 2019.

Nx-40098k Namura Technologies Top End Repair Kit A - Standard Bore 47.44mm 8.2 1 Compression Atv/utv

( Brand: Namura Technologies ), ( Manufacturer Part Number: NX-40098K ), ( Part Type: Compression ), ( Make: Yamaha ), ( Year: 2026, 2025, 2024, 2023, 2022, 2021, 2020, 2019 )

Review NAMURA TECHNOLOGIES Top End Repair Kit Standard Bore 47.44mm 8.2 Compression Atv/utv fits YZ85 2019

Introducing the Namura NX-40098K Top End Repair Standard Kit, an essential solution for maintaining the optimal performance of your ATV or UTV engine. This comprehensive repair kit is specifically designed for 47.44mm, 8.2 compression engines and offers a perfect fit for your Namura model.

The heart of this kit is the top end gasket set, which includes a cylinder head gasket, piston ring set, and other essential gaskets. These high-quality gaskets are engineered for a precise fit, ensuring efficient sealing and effective combustion. The piston rings are made from a durable, heat-resistant material that can withstand the demands of rigorous off-road use.

Additionally, the Namura NX-40098K Top End Repair Standard Kit includes a camshaft kit. This kit includes new camshafts, camshaft bearings, and timing components. The camshafts are meticulously machined for precise timing and optimal engine performance. The bearings are designed for longevity and durability, ensuring smooth operation and reducing the risk of engine damage.

To make the installation process as straightforward as possible, the Namura NX-40098K Top End Repair Standard Kit also includes a selection of fasteners and other hardware. These components are made from high-strength materials, ensuring a secure and reliable installation. The kit also includes a detailed instruction manual, making even the most complex repairs accessible to DIY enthusiasts.

In summary, the Namura NX-40098K Top End Repair Standard Kit is an essential tool for any ATV or UTV owner looking to maintain the performance and longevity of their engine. This comprehensive kit includes all the necessary components for a top end rebuild, from the gaskets and piston rings to the camshafts and hardware. With its precise fit, high-quality materials, and straightforward installation process, this kit is an invaluable investment for any off-road enthusiast.

The Namura NX-40098K Top End Repair Kit is designed for ATV/UTV engines with a 47.44mm bore and 8.2:1 compression ratio. Here are some potential pros and cons of purchasing this kit for your vehicle:

Pros:

1. High-Quality Materials: This kit uses high-quality materials to ensure durability and reliability. The cylinder liners are made of cast iron, which is known for its strength and resistance to wear. The piston rings are made of low-friction materials to reduce engine wear and improve fuel efficiency.

2. Compatibility: This kit is specifically designed for ATV/UTV engines with a 47.44mm bore and 8.2:1 compression ratio. This makes it a reliable choice for those looking to repair their engine with the correct components.

3. Includes All Necessary Parts: The kit includes all the necessary parts to complete a top end engine rebuild, including pistons, piston rings, cylinder liners, and gaskets. This can save time and money by eliminating the need to purchase parts separately.

Cons:

1. Cost: This kit can be quite expensive compared to some aftermarket options. However, the high-quality materials and compatibility may justify the cost for some buyers.

2. Installation Complexity: Installing this kit can be a complex process that requires specialized tools and expertise. It may be best to have a professional mechanic install the kit to ensure proper installation and avoid any potential damage to the engine.

Conclusion:

The Namura NX-40098K Top End Repair Kit is a high-quality option for those looking to repair their ATV/UTV engine with the correct components. The kit uses durable materials, is specifically designed for the correct bore and compression ratio, and includes all necessary parts. However, the cost and installation complexity may be drawbacks for some buyers. Ultimately, the decision to purchase this kit will depend on the individual's budget, expertise, and priorities.

Recommendation:

If you have the budget and need a reliable, high-quality top end repair kit for your ATV/UTV engine, then the Namura NX-40098K Top End Repair Kit is a strong recommendation. However, if you are on a tight budget or prefer a more affordable option, there may be aftermarket alternatives worth considering. In any case, it is important to ensure that the kit is compatible with your engine and that you have the necessary expertise or resources to install it properly.

Details:

Bore: 47.44mm, Sizing: Standard Bore, Sold as: Each. Some tests have shown this feature can increase horsepower and fuel economy by up to 6%. Any damage claims may be exchanged for the identical item only. Machined Smooth Heads Reflects combustion heat and reduces carbon buildup, protecting the top of piston.

Namura, Top End Repair Kit A - Standard Bore 47.44mm, 8.2:1 Compression, This item fits the following model's: Yamaha YZ85 2026, Yamaha 2025, 2024, 2023, 2022, 2021, 2020, 2019. MOS2 Teflon/Molybdenum Coated Skirts A rolled on application process provides a bond that is 10 times stronger than other spray coatings. Top End kit includes: piston, rings, wrist pin, clips, top end bearing, and gasket. Benefits include increased heat transfer, reduced friction and helping to eliminate cold seizures.

part #: nx40098k prices

  • $86.66-$93.79

specifications pistondon:

  • for models: Yz85
  • brand: Namura Technologies
  • mpn: Nx-40098k
  • part type: Compression
  • make: Yamaha
  • year: 2026, 2025, 2024, 2023, 2022, 2021, 2020, 2019

payments pistondon:

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  • other
  • wallet: Paypal

shipping pistondon:

  • cost: $0.00
  • type: Fixed
  • class: Economy, Standard, Expedited
  • transit: 3-8 Days
  • service: Economy, Standard, Expedited

seller pistondon:

  • rating: 99.7%
  • # reviews: 648290
  • city: Loudon, Tennessee

general pistondon:

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

offer pistondon:

  • availability: In Stock
  • quantity: 2
  • options: Ship-to-home
  • sold: 0
  • started: May 18, 2026

returns pistondon:

  • time: 30 Days
  • paid by: Seller
  • policy: Returns Accepted
for models: yz85, part type: compression, year: 2026, 2025, 2024, 2023, 2022, 2021, 2020, 2019,
manufacturer: yamaha, category: motorcycle parts > motorcycle scooter parts accessories > engines engine parts > pistons, rings piston kits, sku: 12448620293328632,

Namura Technologies NX-40098K Is Similar To:

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5 offers $86.66–$93.79 USD
  • Offer #1: $86.66 price + $0.00 shipping estimate = $86.66* total. Machined Smooth Heads - Reflects combustion heat and reduces carbon buildup, protecting the top of the piston.FREE SHIPPING
  • Offer #2: $91.76 price + $5.99 shipping estimate = $97.75* total. Manufacturer Namura. Namura Top End Rebuild Kit 47.44/+0.50 11:1.+$5.99 shipping
  • Offer #3: $93.79 price + $0.00 shipping estimate = $93.79* total. Namura Top-End Rebuild Kit for 2014-16 Kawasaki KX100 - 52.52mm NX-20014-CK. Namura Top-End Rebuild Kit for 1995-13 Kawasaki KX100 - 52.52mm NX-20010-CK.FREE SHIPPING
  • Offer #4: $79.00 price + $0.00 shipping estimate = $79.00* total. Top End Repair Kit.FREE SHIPPING
  • Offer #5: $85.64 price + $0.00 shipping estimate = $85.64* total. Namura Top End Repair Kit.FREE SHIPPING

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