1. Pistons, Rings & Piston Kits Products
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  3. NAMURA NA-50025-4K

NAMURA TECHNOLOGIES NA-50025-4K Top End Repair Kit Atv Utv 1.00MM 79.45MM Atv/utv Pwc

Na-50025-4k Namura Technologies Top End Repair Kit - 1.00mm Oversize To 79.45mm Motorcycle Atv/utv Pwc

( Brand: Namura Technologies ), ( Manufacturer Part Number: NA-50025-4K ), ( Make: Polaris )

Review NAMURA TECHNOLOGIES Top End Repair Kit 1.00mm Oversize To 79.45mm Motorcycle Atv/utv Pwc

Introducing the Namura NA-50025-4K Top End Repair Kit, a comprehensive solution for repairing and maintaining the top end of ATV/UTV PWC engines. This repair kit is specifically designed for engines with a 1.00mm pitch and a 79.45mm stroke, making it an ideal choice for various watercraft applications.

The Namura NA-50025-4K Top End Repair Kit comes with a complete set of high-quality replacement parts. These parts include piston rings, cylinder compression rings, and piston pin bushings. Each component is meticulously engineered to provide superior performance and durability, ensuring optimal engine operation.

The piston rings in this repair kit are manufactured using advanced materials and precision-engineered to snugly fit into the cylinder bore. These rings help maintain the compression seal, preventing engine oil and coolant from leaking into the crankcase and ensuring efficient combustion.

The cylinder compression rings, another crucial component of the kit, are responsible for compressing the air-fuel mixture during the combustion process. These rings are designed to provide an excellent seal, enhancing engine efficiency and power output.

Lastly, the piston pin bushings are essential for reducing friction and wear between the piston pin and the cylinder bore. These bushings ensure smooth engine operation and minimize the need for frequent engine repairs.

The Namura NA-50025-4K Top End Repair Kit is an excellent investment for watercraft engine owners seeking to extend the life of their engines or address existing issues. With its high-quality components and precise fitment, this repair kit ensures a hassle-free and cost-effective solution for top end engine repairs.

Pros and Cons of buying a Namura NA-50025-4K Top End Repair Kit for ATV/UTV/PWC

Introduction:

The Namura NA-50025-4K Top End Repair Kit is designed for repairing the engine of ATVs, UTVs, and Personal Watercrafts (PWC). This repair kit comes with high-quality piston rings, cylinder liners, and other essential components for engine overhaul. In this analysis, we will discuss the advantages and disadvantages of purchasing this repair kit.

Pros:

1. High-quality components: The Namura repair kit includes top-tier piston rings and cylinder liners, ensuring a long-lasting and effective repair.

2. Compatibility: This repair kit is designed to fit various engine types and models, expanding its versatility for numerous applications.

3. Cost-effective: Purchasing a repair kit is often more cost-effective than paying for professional engine repairs, making it a valuable investment for vehicle owners.

4. Easy installation: The kit comes with detailed instructions, making the installation process straightforward for most users.

5. Reduces downtime: Repairing your engine with this kit allows you to get back on the road or water quicker than waiting for professional repairs.

Cons:

1. Requires expertise: Although the installation process is simplified, some users might still need a certain level of mechanical knowledge to ensure a successful repair.

2. Upfront cost: The initial investment for the repair kit can be high, but the long-term savings can outweigh the upfront cost.

3. Time-consuming: Depending on the user's mechanical skills and experience, engine repair can be a time-consuming process.

4. Potential for error: If not installed correctly, the new components may not function optimally, leading to potential engine issues.

Conclusion:

In conclusion, the Namura NA-50025-4K Top End Repair Kit for ATV/UTV/PWC offers numerous advantages, including high-quality components, compatibility, cost-effectiveness, ease of installation, and reduced downtime. However, it also comes with some disadvantages, such as the need for expertise, upfront cost, time-consuming installation, and potential for error.

Recommendation:

If you are an experienced mechanic, possess the necessary tools, and are willing to invest time and money into repairing your engine, the Namura NA-50025-4K Top End Repair Kit is an excellent choice for a long-lasting and effective solution. If you lack the mechanical skills or are unsure about the installation process, it's recommended to seek professional help or consider purchasing a pre-assembled engine.

Details:

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. Anodized Domes Increases heat resistance and durability; pistons with anodized domes are 75% stronger than non-anodized. Benefits include increased heat transfer, reduced friction and helping to eliminate cold seizures.

Any damage claims may be exchanged for the identical item only. Bore: 79.45mm, Sizing: 1.00mm Oversize, Sold as: Each. 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.

part #: na500254k prices

  • $69.95-$105.36

specifications pistondon:

  • brand: Namura Technologies
  • mpn: Na-50025-4k
  • make: Polaris

seller pistondon:

  • rating: 99.4%
  • # reviews: 604448
  • city: Loudon, Tennessee

payments pistondon:

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

returns pistondon:

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

offer pistondon:

  • options: Ship-to-home
  • availability: In Stock
  • sold: 0
  • quantity: 6
  • started: December 14, 2025

general pistondon:

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

shipping pistondon:

  • cost: $0.00
  • service: Economy, Standard, Expedited
  • transit: 4-8 Days
  • type: Fixed
  • class: Economy, Standard, Expedited
manufacturer: polaris, category: motorcycle parts > motorcycle scooter parts accessories > engines engine parts > pistons, rings piston kits, sku: 9291225612343633,

Namura Technologies NA-50025-4K Is Similar To:

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5 offers $69.95–$105.36 USD
  • Offer #1: $97.99 price + $0.00 shipping estimate = $97.99* total. Genuine Namura Products Reflects combustion heat and reduces carbon buildup, protecting the top of the piston.FREE SHIPPING
  • Offer #2: $69.95 price + $0.00 shipping estimate = $69.95* total. Namura Top End Repair Kit +1.00mm 79.45mm # Polaris.FREE SHIPPING
  • Offer #3: $105.36 price + $0.00 shipping estimate = $105.36* total. Benefits include increased heat transfer, reduced friction and helping to eliminate cold seizures. Reflects combustion heat and reduces carbon buildup, protecting the top of the piston.FREE SHIPPING
  • Offer #4: $111.56 price + $0.00 shipping estimate = $111.56* total. Color 1.00mm Oversize to 79.45mm Namura Piston Kit 1.00mm Oversize to 79.45mm.FREE SHIPPING
  • Offer #5: $90.18 price + $0.00 shipping estimate = $90.18* total. Namura top-end repair kit can help improve the performance of your ride and keeping it running in peak condition.FREE SHIPPING

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