1. Pistons, Rings & Piston Kits Products
  2. sku: 7880354142972632
  3. NAMURA MN/9BG3

NAMURA TECHNOLOGIES MN-9BG3 Piston Ring Set Engine MN/9BG3

fits model: Crf250r. make: Honda. year: 2004–2009.

9bg3 Namura Technologies Mn/9bg3 Piston Ring Set For 2004-2009 Honda Crf250r - Engine Pistons Ed

( Brand: Namura Technologies ), ( Manufacturer Part Number: MN/9BG3 ), ( Type: Piston Ring Set ), ( Compatible Year: 2009 2008 2007 2006 2005 2004 ), ( Bundle Description: 1 Pc Genuine Namura Piston Ring Set ), ( Core Charge: Free No Core Charge ), ( Fitment Type: Direct Replacement )

Review NAMURA TECHNOLOGIES Mn/9bg3 Piston Ring Set For Honda Engine Pistons Ed fits CRF250R 2004–2009

Introducing the Namura MN/9BG3 piston ring set, specifically designed for Honda CRF250R engines manufactured between 2004 and 2009. This ring set is an essential upgrade for those seeking improved engine performance, durability, and efficiency.

The MN/9BG3 piston ring set comprises three critical components: the top ring, second ring, and oil control ring. Each ring is precisely engineered using high-quality materials to ensure a perfect fit and optimal function.

The top ring, also known as the compression ring, is responsible for sealing the combustion gases within the engine's cylinder. This ring is made from a durable, low-friction material that minimizes compressional losses while providing excellent sealing characteristics. The top ring's narrow groove design allows for optimal piston-to-cylinder clearance, reducing the risk of piston scuffing and promoting longer engine life.

The second ring, or the oil control ring, plays a crucial role in preventing oil from entering the combustion chamber. This ring features an optimized design that enhances oil control by reducing leakage and improving ring seal. The second ring's unique design ensures uniform oil distribution across the piston skirt, promoting even cooling and reducing the risk of piston overheating.

The oil control ring is accompanied by a new piston pin oiler, which is designed to provide consistent oiling to the ring. This feature ensures optimal performance of the oil control ring, as it relies on a steady oil supply to effectively prevent oil from entering the combustion chamber.

The oil control ring groove is designed for a perfect fit on the piston, ensuring optimal sealing and minimum oil leakage. The groove design is optimized for the engine's piston, ensuring a precise fit and minimal clearance.

In conclusion, the Namura MN/9BG3 piston ring set is an essential upgrade for Honda CRF250R engines produced between 2004 and 2009. By improving sealing, reducing engine wear, and enhancing oil control, this ring set delivers increased performance, durability, and efficiency. With its precision engineering and high-quality materials, this ring set is the perfect choice for riders seeking the best possible riding experience.

The Namura MN/9BG3 piston ring set is a popular aftermarket option for the 2004-2009 Honda CRF250R engine. Here are some potential pros and cons to consider before making a purchase:

Pros:

1. Improved performance: Aftermarket piston rings are often designed to provide better sealing, which can lead to improved engine performance.

2. Durability: High-quality piston rings can last longer than OEM rings, reducing the need for frequent replacements.

3. Better fit: Aftermarket ring sets may be more accurately sized for the engine, reducing the likelihood of fit issues.

4. Cost-effective: In some cases, aftermarket piston rings can be less expensive than OEM rings.

Cons:

1. Potential for installation issues: Installing aftermarket piston rings can be more complicated than installing OEM rings, and improper installation could lead to engine damage.

2. Risk of engine damage: Using low-quality aftermarket piston rings could result in engine damage, such as scuffs or scoring of the piston or cylinder wall.

3. Lack of manufacturer warranty: Aftermarket piston rings typically do not come with a manufacturer warranty, which could leave the purchaser without recourse if the rings fail.

Conclusion:

The decision to purchase a Namura MN/9BG3 piston ring set for a 2004-2009 Honda CRF250R engine ultimately depends on the rider's priorities and budget. If performance and durability are top priorities, an aftermarket ring set could be a good choice. However, it's important to ensure that the rings are installed correctly and are of high quality to avoid potential issues. Additionally, it's worth noting that using low-quality aftermarket rings could result in more harm than good.

Recommendation:

If you do decide to purchase aftermarket piston rings, it's recommended to choose a reputable brand with a good track record of producing high-quality rings. It's also important to ensure that the rings are installed correctly and that you have the necessary tools and knowledge to do so. Alternatively, considering having a professional install the rings to minimize the risk of damage.

Details:

Namura Piston Ring Set for 2004 - 2009 Honda CRF250R - Engine Pistons ed: Status: In Stock.

part #: mn9bg3 price

  • $33.68

specifications pistondon:

  • for models: Crf250r
  • for makes: Honda
  • for years: 2004-2009
  • brand: Namura Technologies
  • mpn: Mn/9bg3
  • type: Piston Ring Set
  • compatible year: 2009 2008 2007 2006 2005 2004
  • bundle description: 1 Pc Genuine Namura Piston Ring Set
  • core charge: Free No Core Charge
  • fitment type: Direct Replacement

offer pistondon:

  • started: August 20, 2025
  • quantity: 1
  • options: Ship-to-home
  • sold: 0
  • availability: In Stock

returns pistondon:

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

shipping pistondon:

  • type: Fixed
  • service: Standard
  • transit: 2-6 Days
  • cost: $0.00
  • class: Standard

general pistondon:

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

payments pistondon:

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

seller pistondon:

  • city: Multiple warehouses
  • # reviews: 9621
  • rating: 96.5%
for models: crf250r, for makes: honda, for years: 2004-2009, type: piston ring set, compatible year: 2009 2008 2007 2006 2005 2004, bundle description: 1 pc genuine namura piston ring set, core charge: free no core charge, fitment type: direct replacement,
category: motorcycle parts > motorcycle scooter parts accessories > engines engine parts > pistons, rings piston kits, sku: 7880354142972632,

Namura Technologies MN-9BG3 Is Similar To:

pistondon logo
1 offer $33.68 USD
  • Offer #1: $33.68 price + $0.00 shipping estimate = $33.68* total.FREE SHIPPING

Copyright © pistondon.com