NAMURA M40000RS-434-NAMURA-A Atv Piston Ring Set 740350696637 63.95MM 87-06 NA-40000R

( Brand: Namura ), ( Part Type: Ring Piston ), ( UPC: 740350696637 ), ( Size: Piston Size 63.95mm ), ( Compatible Year: 87-06 ), ( Manufacturer Part Number: M40000RS-434-NAMURA-A NA-40000R ), ( Compatiblemodel: Yfz350 Banshee ), ( Vendor: Lionparts Powersports ), ( Image Note: Image Is For Reference Only, Actual Product May Vary Slightly. ), ( Ships From: Usa ), ( Handling Time: Approximately 2 Business Days ), ( Oem Or Performance: Performance/aftermarket )

Review NAMURA Atv Piston Ring Set 63.95mm Yamaha 87-06 fits BANSHEE YFZ350

The Namura 740350696637 ATV piston ring set is specifically designed for the Yamaha YFZ350 Banshee model years 1987 to 2006 with the engine type NA-40000R. This ring set ensures optimal engine performance by providing a perfect seal between the piston and the cylinder wall.

The set includes six piston rings: two compression rings, two oil control rings, and two oil scraper rings. Each ring is meticulously crafted from high-quality materials to ensure durability and reliability. The compression rings are designed to provide a tight seal during the combustion process, while the oil control rings help prevent oil consumption and ensure proper lubrication. The oil scraper rings, on the other hand, are responsible for scraping the excess oil from the cylinder walls and transferring it back to the crankcase for reuse.

The outer diameter of the piston rings measures 63.95mm, making them an ideal fit for the Yamaha YFZ350 Banshee engine. Each ring is also precision-machined to ensure a perfect fit and minimal clearance, which is essential for preventing piston slap and ensuring efficient engine operation.

The Namura 740350696637 ATV piston ring set is easy to install, and the instructions provided with the package make the process straightforward. However, it is always recommended to consult with a professional mechanic or follow the manufacturer's instructions to ensure a successful installation.

In summary, the Namura 740350696637 ATV piston ring set is an essential upgrade for Yamaha YFZ350 Banshee owners looking to improve engine performance and prevent oil consumption. With its high-quality materials, precise manufacturing, and easy installation process, this ring set is an excellent investment for anyone seeking to keep their Banshee in top shape.

Pros and Cons of Buying Namura ATV Piston Ring Set (Namura 740350696637) for Yamaha YFZ350 Banshee (87-06 NA-40000R)

The Namura 740350696637 ATV piston ring set is designed for the Yamaha YFZ350 Banshee (87-06 NA-40000R). In this analysis, we will discuss the potential advantages and disadvantages of purchasing this product.

1. Compatibility: The Namura piston ring set is specifically designed for the Yamaha YFZ350 Banshee, ensuring a proper fit and function.

2. Quality: Namura is known for producing high-quality piston rings, which can improve engine performance and durability.

3. Affordability: Compared to OEM (Original Equipment Manufacturer) piston rings, the Namura set is generally more affordable, making it an attractive option for budget-conscious consumers.

1. Installation Complexity: Installing piston rings can be a challenging process, requiring special tools and skills. It may be necessary to seek professional assistance, which could add to the overall cost.

2. Potential Compatibility Issues: While the Namura piston ring set is designed for the Yamaha YFZ350 Banshee, there is still a chance of compatibility issues arising due to variations in engine conditions or manufacturing tolerances.

3. Lack of Warranty: Namura does not offer a warranty on their piston rings, which can be a concern for consumers looking for added peace of mind.

The Namura 740350696637 ATV piston ring set for the Yamaha YFZ350 Banshee offers several advantages, such as compatibility, quality, and affordability. However, it also comes with potential drawbacks, including installation complexity and the lack of a warranty. Ultimately, the decision to purchase this product depends on an individual's budget, mechanical skills, and risk tolerance.

If you are confident in your mechanical abilities and are comfortable with the installation process, the Namura piston ring set can be an excellent choice due to its compatibility, quality, and affordability. However, if you prefer a more straightforward solution or are concerned about compatibility issues or the lack of a warranty, you may want to consider purchasing OEM piston rings or seeking professional assistance for the installation.

part # 740350696637 prices

• $24.21-$64.95

specifications atvsienna:

• for models: Yfz350, Banshee
• for makes: Yamaha
• brand: Namura
• part type: Ring Piston
• upc: 740350696637
• size: Piston Size 63.95mm
• compatible year: 87-06
• manufacturer part number: M40000RS-434-NAMURA-A NA-40000R
• compatiblemodel: Yfz350 Banshee
• vendor: Lionparts Powersports
• image note: Image Is For Reference Only, Actual Product May Vary Slightly.
• ships from: Usa
• handling time: Approximately 2 Business Days
• oem or performance: Performance/aftermarket

returns atvsienna:

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

offer atvsienna:

• quantity: 1
• availability: In Stock
• options: Ship-to-home
• sold: 0
• started: August 25, 2025

general atvsienna:

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

shipping atvsienna:

• cost: $0.00
• service: FedEx Ground / FedEx Home Delivery
• transit: 3-8 Days
• class: Standard
• type: Fixed
• carrier: FedEx

payments atvsienna:

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

seller atvsienna:

• # reviews: 220789
• rating: 99.1%

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