NAMURA ORNA-RA425067-GS Piston Rings Bike 77.98MM

( Brand: Namura ), ( Manufacturer Part Number: ORNA-RA425067-GS ), ( Part Type: Ring Piston )

Review NAMURA Honda Dirt Bike Piston Rings 77.98mm fits 250X CRF 2004–2013

Introducing the Namura ORNA-RA425067-GS piston rings for the 2004-2013 Honda CRF 250X bike. These piston rings are specifically designed to provide an optimal seal between the piston and the cylinder wall, ensuring efficient combustion and optimal engine performance.

The inner piston ring of this set is a compression ring, which is responsible for creating the compression pressure needed for the ignition system to function. It is made of a high-quality, heat-resistant material that can withstand the intense temperatures and pressures inside the engine. The inner ring also features a precision-engineered groove design that ensures a perfect seal against the cylinder wall.

The second piston ring in this set is the oil control ring. This ring is responsible for preventing engine oil from entering the combustion chamber, which is crucial for maintaining proper engine lubrication and preventing oil consumption. The oil control ring is also made of a high-quality, heat-resistant material and features a unique design that ensures an effective seal against the cylinder wall.

The outer piston ring in this set is the skirts ring, which helps to support the piston and maintain its shape during engine operation. It is also made of a high-quality, heat-resistant material and features a precise fit to ensure a proper seal against the cylinder wall.

These piston rings have a diameter of 77.98mm, making them the perfect replacement for worn or damaged rings on the 2004-2013 Honda CRF 250X bike. They are also manufactured to meet or exceed OEM specifications, ensuring a reliable and long-lasting fit.

In summary, the Namura ORNA-RA425067-GS piston rings are a high-quality replacement option for the piston rings on the 2004-2013 Honda CRF 250X bike. They are designed to provide an optimal seal between the piston and cylinder wall, ensuring efficient combustion and optimal engine performance. The inner, oil control, and outer rings are all made of high-quality, heat-resistant materials and feature precision-engineered designs to ensure a perfect fit and effective seals.

Pros and Cons of Buying Namura ORA-RA425067-GS Piston Rings for Honda CRF 250X (2004-2013)

The Namura ORA-RA425067-GS piston rings are designed for the Honda CRF 250X motorcycles produced between 2004 and 2013. These piston rings aim to provide better sealing, durability, and performance. In this analysis, we will discuss the key advantages and disadvantages of purchasing these piston rings.

1. Enhanced Sealing: Namura piston rings offer improved sealing to prevent oil leaks and combustion gases from escaping, resulting in better engine efficiency and reduced emissions.

2. Durability: These piston rings are made of high-quality, heat-resistant materials that can withstand the extreme temperatures and pressures inside the engine, ensuring long-term performance.

3. Easy Installation: The piston rings are designed to fit perfectly in the CRF 250X engine, making the installation process quick and hassle-free.

4. Improved Engine Performance: By providing better sealing, Namura piston rings enable the engine to operate more efficiently, resulting in improved power output and responsiveness.

1. Cost: Namura piston rings may be more expensive compared to OEM (Original Equipment Manufacturer) or aftermarket alternatives, which could be a deterrent for some buyers.

2. Potential Need for Additional Parts: In some cases, installing new piston rings may require the replacement of other engine components, such as the piston or cylinder liner, which could add to the overall cost.

3. Break-in Period: New piston rings may require a break-in period before they reach their optimal performance level. During this time, the engine may exhibit increased oil consumption and rough idling, which could be concerning for some riders.

The Namura ORA-RA425067-GS piston rings offer several advantages, including enhanced sealing, durability, easy installation, and improved engine performance. However, they may come with a higher cost compared to alternative options, and there could be a need for additional parts or a break-in period. Ultimately, the decision to purchase these piston rings depends on the rider's budget, desired performance improvements, and willingness to invest in a high-quality component.

If you are looking for piston rings that provide excellent sealing, durability, and performance for your Honda CRF 250X (2004-2013), the Namura ORA-RA425067-GS piston rings are a solid choice. While they may be more expensive than some alternatives, their benefits, such as improved engine efficiency and power output, can justify the investment for riders who prioritize performance and longevity.

Details:

Compatibility: Honda CRF250X 2004 - 2009, 2012 2013 , CRF250R 2009. 2004 - 2013 Honda CRF 250X Dirt Bike Namura Piston Rings 77.98mm: Ring Set Contains: ring to match a single piston. I need to exchange an item. This Namura ring set does NOT fit OEM pistons.

Parts without fitment are to be assumed universal and may require vehicle modification. Piston Size: 77.96 - 77.98mm. This is helpful if you are buying multiple items.: Brand: Namura, model Number: ORNA-RA425067-GS.

part #: ornara425067 prices

• $18.55-$149.99

specifications pistondon:

• for models: 250x, Crf
• for makes: Honda
• for years: 2004-2013
• brand: Namura
• mpn: Orna-ra425067-gs
• part type: Ring Piston

general pistondon:

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

offer pistondon:

• started: March 8, 2026
• quantity: 3
• options: Ship-to-home
• sold: 0
• availability: In Stock

shipping pistondon:

• cost: $0.00
• type: Fixed
• transit: 3-6 Days
• service: Standard
• class: Standard

payments pistondon:

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

seller pistondon:

• rating: 99.9%
• city: Boise, ID
• # reviews: 79493

returns pistondon:

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

Namura ORNA-RA425067 Is Similar To:

• Namura Technologies Nx-40080-4os 040 Over Bore Piston Kit For Yamaha 1993-2001 Yz80 48mm (42.9% similar) Manufactured by Namura. Made in Taiwan. Kit is for .040 over bore size - 48.00MM. Compression ratio of 8.2:1. Piston dome is anodized for superior heat resistance and longer lifespan. Piston is 47.95MM. Compatible with Yamaha model's below: 1993 YZ80. Kit includes piston, rings, pin...(August 11th, 2024)
• Namura Technologies Nx-30000-c Piston Kit Standard Bore 53.96mm (40.3% similar) Bore: 53.96MM, sizing: standard bore, MOS2 made with Teflon /molybdenum coated skirts - a rolled on application process provides a fits bond...(August 12th, 2024)
• Namura Technologies Nx-30004 Size A 53.94mm Piston Kit For Suzuki 2001-2003 Rm125 Standard Bore 54mm (32.4% similar) Benefits include increased heat transfer, reduced friction and helping to eliminate cold seizures. 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...(August 12th, 2024)
• Namura Technologies Nx-30025-b Piston Kit Standard Bore 66.95mm (40.3% similar) Anodized domes - increases heat resistance and durability; pistons with anodized domes are 75% stronger than non-anodized. Machined smooth heads...(August 13th, 2024)
• Namura Orna-ra418207-gs 2004 Honda Cr125 Dirt Bike Piston Rings 53.95mm (86.7% similar) I need to exchange an item. Parts without fitment are to be assumed universal and may require vehicle modification. 2004 honda CR125 dirt bike Namura piston rings 53.95MM: ring set contains: ring to match a single piston.: brand: Namura, model number: ORNA-RA418207-GS...(August 13th, 2024)
• Namura Nx-10051-2k Top End Repair Kit 0.50mm 39.5mm 10.0 1 Honda Z50r crf50f xr50r (29.8% similar) Everything for a top end rebuild in one box. Comes with enough components to service one engine. Namura top end repair kit 0.50MM 39.5MM 10.0:1 honda Z50R/CRF50F/XR50R: top-end repair kit can help improve the performance of your ride and keeping it running in peak condition...(August 14th, 2024)
• Namura Orna-ra418127-gs 2001-2002 Kawasaki Kx125 Dirt Bike Piston Rings 53.94mm (75.9% similar) Compatibility: Husqvarna cr 125 1998 - 2010 , 2012 2013 , wry 2007 , 2009 honda CR125R 2004 2007 , Kawasaki KX125 2005 , Suzuki RM125 1989 Yamaha YZ125 2014 .: brand: Namura, model number: ORNA-RA418127-GS. Parts without fitment are to be assumed universal and may require vehicle...(August 14th, 2024)
• Namura Technologies Nx-30016-b Piston Kit For Engine Pistons Kits Aw (36.7% similar) Namura NC-30016-B piston kit for engine pistons kits aw: status: in stock...(August 15th, 2024)
• Namura Technologies Nx-20013-b Piston Kit Standard Bore 48.46mm (40.3% similar) Bore: 48.46MM, sizing: standard bore, MOS2 made with Teflon /molybdenum coated skirts - a rolled on application process provides a fits bond that is 10 times stronger than other spray coatings. Actual product may differ from the item shown in photograph. Benefits include increased heat...(August 15th, 2024)
• Namura Nx-10252-2 Piston 71.46mm 0.50mm nx-10252-2 For Honda Crf250f 2019-2022 (36.7% similar) Piston kits are sold per cylinder. Note: image is for reference only, actual product may vary slightly depending on your specific application. Namura piston 71.46MM 0.50MM #NC-10252-2 for honda CRF250F 2019 -2022: why replace your cylinder when you can the piston a fraction of...(August 16th, 2024)
• Namura Orna-ra426399-gs 2000-2012 Suzuki Drz 400-big Bore Dirt Bike Piston Rings 93.96mm (69.5% similar) 2000-2012 Suzuki Dr 400-BIG bore dirt bike Namura piston rings 93.96MM: ring set contains: ring to match a single piston. This is helpful if you are buying multiple items.: brand: Namura, model number: ORNA-RA426399-GS. I need to exchange an item. Parts without fitment...(August 17th, 2024)