NAMURA NA-50003-2K Top End Repair Kit 0.50MM 74.97MM 300/XPRESS

( Brand: Namura ), ( Manufacturer Part Number: NA-50003-2K ), ( Warranty Details: See Manufacturer )

Review NAMURA Top End Repair Kit 0.50mm 74.97mm Polaris 300/xpress fits XPLORER XPRESS 300

Introducing the Namura NA-50003-2K Top End Repair Kit, specifically designed for the Polaris Xplorer 300 and Xpress 300 snowmobiles. This comprehensive repair kit provides all the essential components needed to address common top end wear and tear issues, ensuring optimal engine performance and longevity.

1. Two new piston rings (0.50mm): These rings help maintain the proper seal between the piston and cylinder wall, preventing combustion gases from escaping and ensuring efficient combustion.

2. One new piston pin: The piston pin connects the piston to the connecting rod and transmits the force generated by the explosion of the fuel-air mixture to the crankshaft.

3. One new piston pin bushing: This bushing reduces friction between the piston pin and the connecting rod, contributing to smoother engine operation and longer component life.

4. One new cylinder head gasket: This gasket seals the junction between the cylinder head and the engine block, preventing coolant and oil from leaking and ensuring proper compression.

5. One new intake manifold gasket: This gasket seals the connection between the intake manifold and the cylinder head, preventing air and coolant from leaking and ensuring efficient combustion.

Each part in this repair kit is meticulously crafted to ensure a perfect fit and function on your Polaris Xplorer 300 or Xpress 300 snowmobile. By using this top-end repair kit, you'll not only resolve existing issues but also enhance your engine's overall performance and reliability.

This kit measures 74.97mm in length, making it a perfect fit for the specified Polaris models. Whether you're a seasoned snowmobiler or a novice, this repair kit is an indispensable tool for maintaining the health and longevity of your engine.

In conclusion, the Namura NA-50003-2K Top End Repair Kit offers a complete solution for addressing common top end issues on your Polaris Xplorer 300 or Xpress 300 snowmobile. With high-quality components designed for a precise fit, this kit is an essential addition to any snowmobiler's toolbox.

The Namura NA-50003-2K Top End Repair Kit is designed for the repair and rebuilding of the top end of Polaris Xplorer 300/Xpress 300 engines. This kit includes new piston rings, cylinder rings, and other necessary components for a complete engine overhaul. Here are some pros and cons of purchasing this repair kit:

1. High-quality components: Namura is a reputable brand known for producing top-notch engine repair parts. This kit includes new piston rings and cylinder rings, which are crucial components for engine performance and longevity.

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

3. Easy installation: The kit includes clear instructions for installation, making it easier for DIY enthusiasts to complete the repair themselves.

1. May require additional tools: Some of the tools needed for installation may not be included in the kit, which could add to the overall cost.

2. Time-consuming: Rebuilding an engine can be a time-consuming process, especially for those who are not experienced in engine repair.

3. Risk of damage: There is always a risk of damaging other engine components during the repair process, which could lead to additional costs.

The Namura NA-50003-2K Top End Repair Kit is a cost-effective and high-quality option for those in need of a Polaris Xplorer 300/Xpress 300 engine rebuild. However, it may require additional tools and time for installation, and there is a risk of damaging other engine components during the process. Ultimately, the decision to purchase this repair kit depends on your experience level, budget, and willingness to invest the time and effort into the repair.

If you are comfortable with engine repair and have the necessary tools, the Namura NA-50003-2K Top End Repair Kit is a solid choice for a Polaris Xplorer 300/Xpress 300 engine rebuild. However, if you are not experienced in engine repair or do not have the necessary tools, it may be worth considering hiring a professional mechanic to complete the repair for you.

part # na500032k prices

• $76.78-$102.81

specifications atvsienna:

• for models: 300, Xplorer, Xpress
• for makes: Polaris
• brand: Namura
• manufacturer part number: NA-50003-2K
• warranty details: See Manufacturer

shipping atvsienna:

• carrier: UPS
• type: Fixed
• transit: 3-5 Days
• class: Standard
• cost: $0.00
• service: UPS Ground

returns atvsienna:

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

payments atvsienna:

• other
• credit card: Diners-club
• wallet: Google-pay

offer atvsienna:

• started: October 31, 2025
• options: Ship-to-home
• availability: In Stock
• sold: 0
• quantity: 5

general atvsienna:

• ATV, Side-by-Side UTV Parts Accessories > Engines Engine Parts > Other Engine Parts
• condition: New

seller atvsienna:

• rating: 99.6%
• # reviews: 646873

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