NAMURA ORNA-RA416857-GS Piston Rings Bike 47.45MM

( Brand: Namura ), ( Manufacturer Part Number: ORNA-RA416857-GS ), ( Part Type: Ring Piston )

Review NAMURA Honda Dirt Bike Piston Rings 47.45mm fits CR85 2003–2007

Introducing the Namura ORNA-RA416857-GS piston rings for the Honda CRF85 bike model, specifically designed for use between the years 2003 and 2007. These piston rings are an essential component of your two-stroke engine, responsible for sealing the combustion chamber and preventing the loss of engine oil and compressive gas.

The Namura piston rings are manufactured with utmost precision and care to ensure a perfect fit in your CRF85 engine. The rings measure 47.45mm in diameter and are designed to provide optimal engine performance and efficiency. Each ring is meticulously crafted from high-quality materials to ensure durability and longevity.

The outer piston ring is designed to provide a tight seal against the cylinder wall to prevent the loss of compression and engine oil. The compression ring is responsible for sealing the combustion gases in the engine during the power stroke. The oil control ring ensures that the engine oil is properly contained and circulated within the engine.

Each piston ring is designed with a precise ring land width and groove profile to ensure proper ring end gap and ring groove clearance. This ensures that the rings seat properly in the engine and provide optimal sealing performance.

The Namura ORNA-RA416857-GS piston rings are designed to work in harmony with each other to provide optimal engine performance. They are easy to install, and the included installation instructions make the process simple and straightforward.

In summary, the Namura ORNA-RA416857-GS piston rings for the Honda CRF85 bike model (2003-2007) are a high-quality, precision-engineered solution to ensure optimal engine performance and efficiency. With their tight seal against the cylinder wall and proper circulation of engine oil, these piston rings will keep your CRF85 engine running smoothly and reliably for thousands of miles.

1. Quality: Namura is a well-known brand in the automotive aftermarket industry known for manufacturing high-quality piston rings. These rings may provide better sealing, reducing the likelihood of oil leaks and improving engine performance.

2. Availability: Namura piston rings are widely available from various automotive parts retailers both online and in physical stores. This makes it easy to find and purchase the necessary parts for your Honda CR85, regardless of your location.

3. Cost-effective: Compared to OEM (original equipment manufacturer) piston rings, aftermarket options like Namura can be more cost-effective. This can save riders money, especially for those who need multiple sets of piston rings over the life of their bike.

1. Compatibility: While Namura piston rings are designed to fit various makes and models, it's essential to ensure that the specific rings you choose are compatible with your 2003-2007 Honda CR85. Improper fitment can lead to various engine issues.

2. Installation: Installing piston rings can be a complex process that requires specialized tools and expertise. Improper installation can lead to damage to the engine or even the piston rings themselves.

3. Warranty: Aftermarket parts like Namura piston rings generally don't come with the same warranties as OEM parts. This means that if the rings fail prematurely, the rider may not be covered under a warranty.

In conclusion, purchasing Namura ORNA-RA416857-GS piston rings for a 2003-2007 Honda CR85 comes with both advantages and disadvantages. The advantages include better quality, availability, and cost-effectiveness. However, the disadvantages include potential compatibility issues, the complexity of installation, and the lack of a warranty.

Based on the information provided, it's recommended that riders carefully consider the advantages and disadvantages before deciding to purchase Namura ORNA-RA416857-GS piston rings for their Honda CR85. It's also essential to ensure that the rings are compatible with their specific bike model and that they have the necessary tools and expertise to install them correctly. If in doubt, consulting a professional mechanic for advice is a good idea.

Details:

Compatibility: Honda CR80R 1986 - 2002 , CR80RB Expert 1996 CR85R 2003 2007 , CR85RB Suzuki RM80 1991 2001 , Yamaha YZ80 1993 YZ85 2002 2014.: Brand: Namura, model Number: ORNA-RA416857-GS. I need to exchange an item. This is helpful if you are buying multiple items.

2003 - 2007 Honda CR85 Dirt Bike Namura Piston Rings 47.45mm: Ring Set Contains: ring to match a single piston. This Namura ring set does NOT fit OEM pistons. Piston Size: 47.44 - 47.46mm. Parts without fitment are to be assumed universal and may require vehicle modification.

part #: ornara416857 price

• $12.65

specifications pistondon:

• for models: Cr85
• for makes: Honda
• for years: 2003-2007
• brand: Namura
• mpn: Orna-ra416857-gs
• part type: Ring Piston

shipping pistondon:

• service: Standard
• class: Standard
• type: Fixed
• transit: 3-8 Days
• cost: $0.00

payments pistondon:

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

offer pistondon:

• options: Ship-to-home
• quantity: 6
• started: March 4, 2025
• sold: 0
• availability: In Stock

seller pistondon:

• # reviews: 62614
• rating: 99.4%
• city: Indiana, US

general pistondon:

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

returns pistondon:

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

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