NAMURA NA-50081-B Piston 758891087166 0.01MM 79.96MM

( Brand: Namura ), ( Part Type: Piston ), ( Manufacturer Part Number: NA-50081-B ), ( UPC: 758891087166 )

Review NAMURA Piston Size 0.01mm 79.96mm Polaris fits SPORTSMAN EFI 800 2008–2009

The Namura NA-50081-B piston is a high-performance replacement option for the Polaris Sportsman 800 EFI models produced between 2008 and 2009. This piston, featuring a 0.01mm overbore, is specifically designed to deliver enhanced power and efficiency for those seeking to maximize the potential of their ATV.

The piston measures 79.96mm in total length and is meticulously engineered using top-tier materials. The piston crown is crafted from a forged aluminum alloy, ensuring superior strength and durability. The piston skirt is designed to minimize friction and ensure a snug fit within the engine's cylinder bore.

The NA-50081-B piston is also engineered with a state-of-the-art cooling system, which includes a unique, efficient cooling fin design. This cooling system helps to prevent piston overheating, allowing the engine to operate at optimal temperatures, even during prolonged periods of heavy use.

Additionally, the piston's top ring groove is designed with a generous width, ensuring a secure fit for the piston rings. This helps to minimize piston-to-ring contact, reducing friction and wear, and contributing to improved engine performance.

This piston is also designed to be compatible with the OEM connecting rod and crankshaft, making for a straightforward installation process. The piston's precision machining ensures a perfect fit and function within the engine, reducing the likelihood of any potential issues arising during operation.

In conclusion, the Namura NA-50081-B piston is an excellent choice for Polaris Sportsman 800 EFI owners seeking to enhance the power and efficiency of their ATVs. With its superior materials, innovative cooling system, and easy installation, this piston is sure to provide reliable and consistent performance, allowing riders to enjoy their off-road adventures to the fullest.

The Namura NA-50081-B piston is a replacement option for the Polaris Sportsman 800 EFI models from 2008 to 2009. This piston comes with a 0.01mm overbore and a 79.96mm bore size. Here are some potential pros and cons of purchasing this part.

1. OEM Equivalent: This aftermarket piston is designed to be an equivalent replacement for the original equipment manufacturer (OEM) piston. This means that it is engineered to meet the same specifications and performance standards as the OEM part.

2. Improved Performance: Some users report improved engine performance after installing this piston. This could be due to the piston's improved design or materials.

3. Cost-Effective: The aftermarket piston may be less expensive than the OEM part, making it a cost-effective option for those looking to save money.

1. Installation Complexity: Installing a new piston in a snowmobile engine can be a complex process that requires specialized tools and knowledge. This could add to the overall cost and time of the repair.

2. Potential for Wear and Tear: Aftermarket parts may not last as long as OEM parts, especially in high-performance applications. This could result in the need for additional repairs or replacements down the line.

3. Quality Variations: There may be variations in quality among aftermarket pistons from different manufacturers. It's essential to ensure that the aftermarket piston you purchase is from a reputable manufacturer with a proven track record of producing high-quality parts.

The Namura NA-50081-B piston can be a cost-effective and performance-enhancing option for those looking to replace the piston in their Polaris Sportsman 800 EFI from 2008 to 2009. However, it's crucial to consider the potential complexities of installation, potential for wear and tear, and variations in quality among aftermarket pistons. Ultimately, it's essential to purchase this part from a reputable manufacturer and ensure that it meets the same specifications and performance standards as the OEM part.

If you're in the market for a new piston for your Polaris Sportsman 800 EFI from 2008 to 2009, I would recommend considering the Namura NA-50081-B piston as a viable option. However, it's essential to ensure that you purchase this part from a reputable dealer or manufacturer to minimize the risk of quality variations and ensure that it meets the same specifications and performance standards as the OEM part.

part # na50081 prices

• $62.86-$74.61

specifications atvsienna:

• for models: Efi, 800, Sportsman
• for makes: Polaris
• for years: 2008-2009
• brand: Namura
• part type: Piston
• manufacturer part number: NA-50081-B
• upc: 758891087166

general atvsienna:

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

seller atvsienna:

• rating: 99.6%
• # reviews: 647425

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

offer atvsienna:

• options: Ship-to-home
• quantity: 2
• started: November 1, 2025
• availability: In Stock
• sold: 0

shipping atvsienna:

• type: Fixed
• transit: 4-7 Days
• service: Standard
• cost: $0.00
• class: Standard

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• credit card: Mastercard

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