1. Pistons, Rings & Piston Kits Products
  2. sku: 11824487124435633
  3. NAMURA NA-50025-2K

NAMURA TECHNOLOGIES NA-50025-2K Top End Repair Kit Atv Utv 0.50MM 78.95MM Atv/utv Pwc

Na-50025-2k Namura Technologies Top End Repair Kit - 0.50mm Oversize To 78.95mm Motorcycle Atv/utv Pwc

( Brand: Namura Technologies ), ( Manufacturer Part Number: NA-50025-2K ), ( Make: Polaris )

Review NAMURA TECHNOLOGIES Top End Repair Kit 0.50mm Oversize To 78.95mm Motorcycle Atv/utv Pwc

Introducing the Namura NA-50025-2K Top End Repair Kit, specifically designed for ATVs, UTVs, and Personal Watercraft (PWC) with a cylinder bore size of 0.50mm and a length of 78.95mm. This repair kit is a must-have for any vehicle owner seeking to maintain their engine's performance and longevity.

The Namura Top End Repair Kit includes a comprehensive range of high-quality components. The kit comprises of 10 piston rings, 10 cylinder compression rings, 10 piston pin bushings, 10 piston pin oil seals, 10 piston pin retaining clips, and 10 piston pin locks. Each component is meticulously crafted to ensure a precise fit, optimal engine performance, and extended durability.

The piston rings in this repair kit are designed to seal the combustion gases, preventing the loss of power and compressing the fuel-air mixture effectively. The cylinder compression rings contribute to the efficient transfer of combustion force to the piston, enhancing overall engine performance.

The piston pin bushings and piston pin oil seals ensure the smooth rotation of the piston within the cylinder and maintain the engine's oil integrity. The piston pin retaining clips securely hold the piston pin in place, while the piston pin locks provide additional retention and reinforcement.

When it comes to installation, the Namura Top End Repair Kit offers an easy and straightforward process. Each component is supplied with clear installation instructions, ensuring a hassle-free experience for the user. The kit is also compatible with a wide range of ATV, UTV, and PWC models, making it a versatile addition to any vehicle owner's toolbox.

In conclusion, the Namura NA-50025-2K Top End Repair Kit is an essential investment for any individual or professional who values the optimal performance and longevity of their ATV, UTV, or PWC engine. With its comprehensive range of high-quality components, straightforward installation process, and compatibility with various vehicle models, this repair kit is an excellent choice for those seeking to keep their engines running at their best.

Pros and Cons of buying a Namura NA-50025-2K Top End Repair Kit for ATV/UTV/PWC

1. Pros:

a) Compatibility: This repair kit is designed for various ATV, UTV, and PWC models, making it a versatile option for a wide range of watercraft and off-road vehicles.

b) High-quality parts: The Namura repair kit includes top-end gaskets, piston rings, and other essential components, ensuring a reliable and effective repair.

c) Cost-effective: Purchasing a repair kit instead of individual parts can save money in the long run, as it includes all the necessary components for a complete top-end rebuild.

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

2. Cons:

a) Requires technical skills: Installing the top-end repair kit requires some mechanical knowledge and experience, which may be a challenge for some users.

b) Time-consuming: The repair process can be time-consuming, especially for those without prior experience.

c) May require additional tools: Some users might need to purchase additional tools to complete the repair, which could add to the overall cost.

Conclusion:

The Namura NA-50025-2K Top End Repair Kit offers several advantages, including compatibility with various vehicles, high-quality components, cost-effectiveness, and straightforward installation. However, it also comes with some drawbacks, such as requiring technical skills, being time-consuming, and potentially needing additional tools.

Based on the pros and cons, it is recommended for users who have experience with ATV, UTV, or PWC repairs, or those who are willing to learn and invest time into the process. For those without the necessary skills or time, it might be more convenient to hire a professional mechanic or consider purchasing a pre-rebuilt engine.

Details:

Some tests have shown this feature can increase horsepower and fuel economy by up to 6%. MOS2 Teflon/Molybdenum Coated Skirts A rolled on application process provides a bond that is 10 times stronger than other spray coatings. Sizing: 0.50mm Oversize, Bore: 78.95mm, Sold as: Each. Any damage claims may be exchanged for the identical item only.

Anodized Domes Increases heat resistance and durability; pistons with anodized domes are 75% stronger than non-anodized. Machined Smooth Heads Reflects combustion heat and reduces carbon buildup, protecting the top of piston. 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 #: na500252k prices

  • $97.99-$114.03

specifications pistondon:

  • brand: Namura Technologies
  • mpn: Na-50025-2k
  • make: Polaris

returns pistondon:

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

payments pistondon:

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

general pistondon:

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

offer pistondon:

  • quantity: 5
  • options: Ship-to-home
  • sold: 0
  • availability: In Stock
  • started: April 14, 2026

shipping pistondon:

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

seller pistondon:

  • # reviews: 637688
  • rating: 99.6%
  • city: Loudon, Tennessee
manufacturer: polaris, category: motorcycle parts > motorcycle scooter parts accessories > engines engine parts > pistons, rings piston kits, sku: 11824487124435633,

Namura Technologies NA-50025-2K Is Similar To:

pistondon logo
5 offers $97.99–$114.03 USD
  • Offer #1: $111.94 price + $0.00 shipping estimate = $111.94* total. 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 the piston.FREE SHIPPING
  • Offer #2: $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 #3: $114.03 price + $0.00 shipping estimate = $114.03* total. Namura Top End Rebuild Kit Yamaha 660 GRIZZLY 02-08 Rhino 04-07 101.47mm +1.5mm. Namura Piston Kit 0.50mm Oversize to 78.95mm.FREE SHIPPING
  • Offer #4: $94.09 price + $0.00 shipping estimate = $94.09* total.FREE SHIPPING
  • Offer #5: $94.51 price + $0.00 shipping estimate = $94.51* total. Polaris Trail Boss 330 (2003 - 2013). Namura Top-End Rebuild Kit.FREE SHIPPING

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