NAMURA TECHNOLOGIES NA-50012-BK Top End Repair Kit Standard 86.94MM Atv/utv

( Brand: Namura Technologies ), ( Manufacturer Part Number: NA-50012-BK ), ( Make: Polaris )

Review NAMURA TECHNOLOGIES Top End Repair Kit Standard Bore 86.94mm Motorcycle Atv/utv

The Namura NA-50012-BK Top End Repair Kit is an essential toolkit designed specifically for standard ATVs and UTVs with a cylinder diameter of 86.94mm. This repair kit comes in a black box, making it an ideal addition to any workshop or toolbox.

The kit includes a comprehensive collection of high-quality replacement parts to help you repair and maintain the top end of your ATV or UTV engine. The components are meticulously engineered to ensure a perfect fit and optimal performance.

1. New piston rings: These piston rings are designed to provide a tight seal between the piston and the cylinder wall, reducing piston slap and improving engine efficiency.

2. New piston pin: The piston pin is a critical component that connects the piston to the connecting rod. This new pin ensures a smooth operation and prevents any wear or damage.

3. New piston pin bushings: These bushings provide a snug fit for the piston pin, reducing friction and wear.

4. New piston pin retaining clip: This clip holds the piston pin in place, ensuring that it does not come loose during operation.

5. New cylinder head gasket: The cylinder head gasket is a crucial component that seals the cylinder head to the engine block, preventing coolant and oil from mixing.

6. New valve seals: These seals help to prevent oil leakage around the valve stems, maintaining the integrity of the engine and improving performance.

7. New valve guide seals: These seals help to maintain the proper alignment of the valves, reducing wear and improving engine efficiency.

8. New valve springs: These springs help to maintain proper valve clearance, ensuring that the engine runs smoothly and efficiently.

9. New valve retainers: These retainers hold the valves in place, preventing them from coming loose during operation.

10. New valve adjusters: These adjusters help to maintain the proper valve clearance, ensuring that the engine runs smoothly and efficiently.

In conclusion, the Namura NA-50012-BK Top End Repair Kit is a comprehensive solution for repairing and maintaining the top end of your standard ATV or UTV engine. With its high-quality replacement parts and meticulous engineering, this kit is an indispensable addition to any workshop or toolbox.

Pros and Cons of buying a Namura NA-50012-BK Top End Repair Kit for ATV/UTV

The Namura NA-50012-BK Top End Repair Kit is a popular choice among ATV and UTV owners for engine overhauls. Here are some pros and cons to help you make an informed decision before making a purchase.

1. Comprehensive Kit: The Namura repair kit comes with all the necessary parts for a top end engine rebuild, including pistons, rings, gaskets, and seals.

2. High-Quality Materials: Namura uses high-quality materials for their repair kits, ensuring a long-lasting repair and improved engine performance.

3. Affordable: Compared to the cost of a new engine or professional rebuild, the Namura repair kit is a more cost-effective solution for ATV and UTV owners.

4. Easy-to-Follow Instructions: The repair kit includes clear and concise instructions, making the rebuild process more accessible for DIY enthusiasts.

5. Wide Compatibility: The Namura NA-50012-BK repair kit is compatible with various ATV and UTV models, making it a versatile option for many riders.

1. Requires Skills and Tools: A top end engine rebuild is a complex process that requires mechanical skills and specialized tools. The Namura repair kit is best suited for those with experience in engine repair.

2. Time-Consuming: The engine rebuild process can take several hours to complete, depending on the rider's experience and the complexity of the engine.

3. Risk of Damage: During the engine rebuild process, there is a risk of damaging other parts if not careful, which could lead to additional repair costs.

4. Potential for Overspending: While the Namura repair kit is cost-effective compared to a new engine, there is a risk of overspending on additional parts or tools that may be needed during the repair process.

The Namura NA-50012-BK Top End Repair Kit offers several benefits, including affordability, high-quality materials, and wide compatibility. However, it requires a significant time investment, specialized skills, and tools. Additionally, there is a risk of damaging other parts during the repair process and the potential for overspending.

If you are an experienced ATV or UTV owner with the necessary skills, tools, and time to invest in a top end engine rebuild, the Namura repair kit can be a cost-effective and rewarding solution. However, if you lack the experience or resources, it may be best to consider professional engine repair or replacement services.

Details:

Bore: 86.94mm, Sizing: Standard Bore, Sold as: Each. Anodized Domes Increases heat resistance and durability; pistons with anodized domes are 75% stronger than non-anodized. 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. Any damage claims may be exchanged for the identical item only. Top End Repair Kit. 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.

part #: na50012 price

• $87.51

specifications pistondon:

• brand: Namura Technologies
• mpn: Na-50012-bk
• make: Polaris

offer pistondon:

• quantity: 2
• options: Ship-to-home
• started: May 4, 2026
• sold: 0
• availability: In Stock

general pistondon:

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

payments pistondon:

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

returns pistondon:

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

seller pistondon:

• # reviews: 644737
• rating: 99.7%
• city: Loudon, Tennessee

shipping pistondon:

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

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