NAMURA ORNA-RA426977-GS Piston Rings Bike 95.97MM

( Brand: Namura ), ( Manufacturer Part Number: ORNA-RA426977-GS ), ( Part Type: Ring Piston )

Review NAMURA Honda Dirt Bike Piston Rings 95.97mm fits CRF450R 2009–2012

Introducing the Namura ORNA-RA426977-GS piston rings for the 2009-2012 Honda CRF450R bike engine. These piston rings are designed to deliver exceptional performance and reliability, ensuring your bike continues to run smoothly.

The inner piston ring of this set is a compression ring, responsible for sealing the combustion gases in the cylinder during the engine's power stroke. The advanced design of the Namura compression ring ensures a tight seal, reducing the possibility of gas leakage and improving engine efficiency.

The outer piston ring, also known as the oil control ring, is engineered to control oil consumption and prevent oil from entering the combustion chamber. Namura's oil control ring features a precise design and high-quality materials that help minimize oil consumption and improve engine cleanliness.

Both piston rings are made from high-temperature alloy steel, ensuring they can withstand the extreme heat and pressure of the CRF450R engine. The rings are also precision-machined to ensure a perfect fit and optimal performance.

The Namura ORNA-RA426977-GS piston rings are designed to be a direct replacement for the original equipment rings. Installation is straightforward, and the rings come with clear instructions to guide you through the process.

In summary, the Namura ORNA-RA426977-GS piston rings for the 2009-2012 Honda CRF450R offer superior sealing, improved engine efficiency, and reduced oil consumption. These rings are a great investment for any CRF450R rider looking to enhance their bike's performance and reliability.

Buying Namura ORNA-RA426977 piston rings for a Honda CRF450R motorcycle between the years 2009 and 2012 comes with both advantages and disadvantages. Here's a detailed analysis:

1. Enhanced Performance: These piston rings are known for their high-performance characteristics. They help in reducing friction between the piston and the cylinder wall, allowing for better engine efficiency and power output.

2. Durability: Namura piston rings are manufactured using high-quality materials. They are designed to withstand the rigors of off-road racing, ensuring long-lasting performance.

3. Precision Fit: These piston rings are engineered to provide a precise fit in the cylinder. This ensures that the rings seal properly, preventing oil and gas leaks.

4. Improved Engine Longevity: Properly functioning piston rings help in reducing engine wear and tear. By sealing the combustion chamber effectively, these rings ensure that the engine's lubrication system functions optimally, contributing to the engine's longevity.

1. Cost: Namura piston rings are relatively more expensive than other aftermarket options. However, their high-performance characteristics and durability may justify the additional cost for some riders.

2. Installation Complexity: Installing piston rings can be a complex and time-consuming process. It requires specialized tools and a certain level of mechanical expertise.

3. Availability: Namura piston rings may not be readily available at all motorcycle shops or online retailers. Riders may need to search extensively to find a reliable supplier.

Namura ORNA-RA426977 piston rings offer several advantages, including enhanced performance, durability, precision fit, and improved engine longevity. However, they come with some disadvantages, such as cost, installation complexity, and availability. Ultimately, the decision to purchase these piston rings depends on the rider's budget, mechanical expertise, and performance goals.

If you're a serious off-road rider who demands the best performance from your Honda CRF450R and have the budget for it, Namura ORNA-RA426977 piston rings are an excellent investment. However, if you're on a tight budget or prefer a more straightforward installation process, you may want to consider other aftermarket options. Regardless of your choice, always ensure that you purchase piston rings from a reputable supplier to ensure their quality and fit.

Details:

Compatibility: Honda CRF450X 2005 - 2009, 2012 2014 , CRF450R 2002. 2009 - 2012 Honda CRF450R Dirt Bike Namura Piston Rings 95.97mm: Ring Set Contains: ring to match a single piston. I need to exchange an item. This Namura ring set does NOT fit OEM pistons.

Brand: Namura, model Number: ORNA-RA426977-GS. This is helpful if you are buying multiple items. Parts without fitment are to be assumed universal and may require vehicle modification.

part #: ornara426977 price

• $36.38

specifications pistondon:

• for models: Crf450r
• for makes: Honda
• for years: 2009-2012
• brand: Namura
• mpn: Orna-ra426977-gs
• part type: Ring Piston

payments pistondon:

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

returns pistondon:

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

offer pistondon:

• sold: 0
• started: May 19, 2026
• options: Ship-to-home
• availability: In Stock
• quantity: 2

shipping pistondon:

• service: Standard
• class: Standard
• transit: 2-7 Days
• cost: $0.00
• type: Fixed

general pistondon:

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

seller pistondon:

• rating: 99.9%
• city: Boise, ID
• # reviews: 85519

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