NAMURA ORNA-RA416569-GS Piston Rings Bike 46.94MM

( Brand: Namura ), ( Manufacturer Part Number: ORNA-RA416569-GS ), ( Part Type: Ring Piston )

Review NAMURA Honda Dirt Bike Piston Rings 46.94mm fits CR80 1986–1991

Introducing the Namura OR-A416569-GS piston rings for the 1986-1991 Honda CR80 bike. These piston rings are designed to ensure a perfect seal between the piston and the cylinder wall for optimal engine performance.

The outer diameter of these rings measures 46.94mm, making them a perfect fit for the Honda CR80's pistons. The rings are manufactured using high-quality materials that offer excellent durability and resistance to wear and tear. The rings are also precision-machined to ensure a snug fit and even compression.

The top compression ring is made from a nitrided steel material, which is known for its superior compressive strength and resistance to scuffing. This ring is responsible for sealing the combustion gases in the cylinder during the power stroke and preventing the loss of compression.

The second compression ring is made of a compressive-type material, which offers excellent sealing performance and helps to prevent oil leakage. The ring is also designed to ensure even compression for optimal engine performance.

The oil control ring is made of a special material that offers excellent oil control capabilities. The ring is designed to prevent oil from flowing into the combustion chamber during the power stroke, helping to reduce oil consumption and improve engine efficiency.

The rings come in a set of four, which includes one top compression ring, one second compression ring, and two oil control rings. Each ring is carefully packaged to ensure safe delivery and to prevent damage during shipping.

Installing these rings is a straightforward process, but it is important to follow the manufacturer's instructions carefully to ensure proper installation and prevent any damage to the engine. If you have any doubts or concerns about the installation process, it is recommended that you consult a professional mechanic.

In summary, the Namura OR-A416569-GS piston rings for the 1986-1991 Honda CR80 bike are a high-quality and reliable solution for maintaining optimal engine performance. The rings are precision-machined to ensure a perfect fit, and they are made from high-quality materials that offer excellent durability and resistance to wear and tear. With their superior sealing capabilities and easy installation process, these rings are an essential component for any Honda CR80 bike owner.

1. Quality: Namura is a reputable brand known for producing high-quality piston rings. These rings are likely to last longer than cheaper alternatives.

2. Precision: The rings are designed to fit perfectly in the CR80 engine, ensuring optimal engine performance and reducing the likelihood of damage to other engine components.

3. Availability: These piston rings are readily available from various online and offline retailers, making it easy to purchase and have them delivered to your doorstep.

1. Cost: Namura piston rings are more expensive than generic aftermarket options. This may be a concern for budget-conscious consumers.

2. Compatibility: While these rings are designed to fit the CR80 engine, it's always a good idea to double-check the compatibility with your specific bike model and year.

3. Installation: Installing piston rings can be a complex process and may require specialized tools and expertise. This could add to the overall cost and time commitment of the project.

In conclusion, while Namura ORNA-RA416569-GS piston rings offer several advantages, including quality, precision, and availability, they also come with some disadvantages, such as cost, potential compatibility issues, and the complexity of installation.

If you're looking for a reliable and high-performing piston ring option for your 1986-1991 Honda CR80 bike, Namura is a reputable brand to consider. However, be prepared for the higher cost and potential installation challenges.

If budget is a concern, you may want to explore aftermarket options or consider reusing the original piston rings if they're still in good condition. Alternatively, you could consult with a professional mechanic to evaluate the condition of your current piston rings and determine if they can be reused or if new ones are necessary.

Details:

I need to exchange an item. This is helpful if you are buying multiple items. Compatibility: KTM 85 SX 19/16 2005 - 2010, 2013 2014 , Honda CR80R 1986 2002 , CR80RB Expert 1996 Husqvarna TC 2014 , 17/14 2003 SXS 2012 XC 2008 2009 , Yamaha YZ80 1993 2001. 1986 1991 Honda CR80 Dirt Bike Namura Piston Rings 46.94mm: Ring Set Contains: ring to match a single piston.

Piston Size: 46.94 - 46.97mm. Parts without fitment are to be assumed universal and may require vehicle modification. This Namura ring set does NOT fit OEM pistons.: Brand: Namura, model Number: ORNA-RA416569-GS.

part #: ornara416569 price

• $12.65

specifications pistondon:

• for models: Cr80
• for makes: Honda
• for years: 1986-1991
• brand: Namura
• mpn: Orna-ra416569-gs
• part type: Ring Piston

payments pistondon:

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

returns pistondon:

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

seller pistondon:

• city: San Marcos, CA
• rating: 99.9%
• # reviews: 79679

shipping pistondon:

• type: Fixed
• transit: 3-7 Days
• cost: $0.00
• class: Standard
• service: Standard

general pistondon:

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

offer pistondon:

• sold: 0
• started: March 10, 2026
• options: Ship-to-home
• availability: In Stock
• quantity: 9

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