NAMURA ORNA-RA516261-NG Wristpin Bearing 65 Bike

( Brand: Namura ), ( Manufacturer Part Number: ORNA-RA516261-NG ), ( Part Type: Bearing )

Review NAMURA Ktm 65 Dirt Bike Wristpin Bearing fits SX 1998–2008

The **Namura Orna-RA516261-NG Wristpin Bearing** is a meticulously engineered, high-performance replacement part designed exclusively for the **Kawasaki 65cc SX model** produced between **1998 and 2008**. This precision-crafted bearing is a critical component of the bike s crankshaft assembly, ensuring smooth and reliable operation of the wristpin an essential pivot point that connects the connecting rod to the crankshaft. Engineered to meet or exceed OEM specifications, the Orna-RA516261-NG is manufactured using **high-grade, corrosion-resistant steel** with a **hardened outer ring** and a **low-friction, oil-impregnated inner surface**, which significantly reduces wear and extends the lifespan of the crankshaft and connecting rod. Its **tapered design** allows for a secure, interference-fit installation, minimizing axial and radial play while maintaining optimal clearance for lubrication. This bearing is particularly well-suited for off-road and high-stress applications, where durability and reliability are paramount. Whether you're restoring a classic SX to factory condition or upgrading an existing build, the Namura Orna-RA516261-NG delivers the strength and precision needed to handle the demanding forces of motocross riding. Built to withstand the rigors of frequent disassembly, heavy loads, and varying temperatures, this bearing is a trusted choice among mechanics and riders who demand nothing less than top-tier performance from their components.

### **Pros and Cons of Buying a Namura Orna-RA516261-NG Wristpin Bearing for a 1998-2008 KTM 65 SX Bike**

1. **Compatibility** The Namura Orna-RA516261-NG is specifically designed for KTM 65 SX models from 1998 to 2008, ensuring a precise fit without modification.

2. **High-Quality Materials** Namura is known for using durable, high-grade materials in their bearings, which can improve reliability and longevity compared to OEM parts.

3. **Reduced Friction & Smoother Operation** A well-lubricated wristpin bearing reduces internal engine friction, potentially improving throttle response and overall performance.

4. **Pre-Lubricated & Sealed** Many Namura bearings come pre-lubricated and sealed, which simplifies installation and reduces the risk of premature wear from contamination.

5. **Aftermarket Reputation** Namura is a trusted brand in the aftermarket, with positive reviews for performance and durability, making it a reliable choice for DIY or professional mechanics.

6. **Cost-Effective Replacement** Compared to OEM parts, Namura bearings are often more affordable while maintaining high quality, offering better value for money.

7. **Easier Installation** The bearing s design may simplify the replacement process, especially for riders or mechanics with limited experience in engine work.

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1. **Price Consideration** While generally affordable, the cost may still be higher than some generic or lower-end aftermarket alternatives, depending on market fluctuations.

2. **Potential Learning Curve** If the buyer lacks mechanical experience, installing a wristpin bearing may require careful handling to avoid damage or improper seating.

3. **Availability & Lead Times** Depending on the region, Namura parts may not always be in stock, leading to potential delays in purchase or installation.

4. **Mixed Reviews on Longevity** Some users report that while Namura bearings perform well initially, they may not last as long as OEM or higher-end aftermarket alternatives in extreme conditions (e.g., heavy racing or extreme off-roading).

5. **Compatibility with Modified Engines** If the bike has been heavily modified (e.g., crankshaft upgrades, different piston designs), the bearing may not fit perfectly or could require additional adjustments.

6. **Risk of Counterfeit Products** Purchasing from unverified sellers increases the chance of receiving a fake or low-quality bearing, which could fail prematurely.

7. **Warranty Limitations** Unlike OEM parts, Namura bearings may not come with a manufacturer warranty, leaving the buyer responsible for any defects.

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The Namura Orna-RA516261-NG wristpin bearing is a solid choice for riders looking to upgrade or replace a worn bearing in their 1998-2008 KTM 65 SX. Its compatibility, quality, and ease of installation make it a practical option for both DIY enthusiasts and professional mechanics. However, buyers should weigh the potential drawbacks, such as cost, installation complexity, and availability, against their specific needs.

For riders prioritizing **reliability, performance, and ease of use**, Namura is a strong recommendation. Those on a tight budget or seeking long-term durability might explore alternatives like **OEM bearings (if available) or higher-end brands like JE or NSK**, depending on the application.

If the bike is in regular use and the bearing is showing signs of wear, purchasing the **Namura Orna-RA516261-NG** is a reasonable and cost-effective solution. Ensure the part is sourced from a reputable dealer to avoid counterfeit products, and follow proper installation procedures to maximize its lifespan. For extreme or racing applications, consider additional research into specialized bearings for optimal performance.

Details:

Brand: Namura, model Number: ORNA-RA516261-NG. Parts without fitment are to be assumed universal and may require vehicle modification. This is helpful if you are buying multiple items. Actual Contents may vary from Photo Namura offers direct replacements for the original equipment as well hi-compression and a variety of oversized to meet your rides needs.

1998 2008 KTM 65 SX Dirt Bike Namura Wristpin Bearing: Wrist-Pin Bearing Contains: One Bearing. I need to exchange an item. Credit or Debit Card. Compatibility: Yamaha BW80 1986 - 1988, 1990 , PW 80 1983 2006.

part #: ornara516261 prices

• $12.35-$18.69

specifications bearingmotorcycleiz:

• for models: Sx
• for makes: Ktm
• for years: 1998-2008
• brand: Namura
• mpn: Orna-ra516261-ng
• part type: Bearing

returns bearingmotorcycleiz:

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

offer bearingmotorcycleiz:

• options: Ship-to-home
• sold: 0
• started: February 27, 2026
• availability: In Stock
• quantity: 2

seller bearingmotorcycleiz:

• rating: 99.8%
• # reviews: 78681
• city: Indiana, US

general bearingmotorcycleiz:

• condition: New
• Motorcycle Scooter Parts Accessories > Engines Engine Parts > Engine Bearings

payments bearingmotorcycleiz:

• credit card: Mastercard
• wallet: Paypal
• other

shipping bearingmotorcycleiz:

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

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