NAMURA ORNA-RA427829-WX Piston Kit Bike 100.97MM

( Brand: Namura ), ( Manufacturer Part Number: ORNA-RA427829-WX ), ( Part Type: Piston )

Review NAMURA Yamaha Dirt Bike Piston Kit 100.97mm fits TENERE XTZ 660 1991–1998

Namura OR-A427829 WX Piston Kit for 1991-1998 Yamaha XTZ 660 Tenere

If you're in search of an authentic and high-quality piston kit for your Yamaha XTZ 660 Tenere motorcycle from the 1991 to 1998 era, look no further than the Namura OR-A427829 WX Piston Kit. This piston set is designed specifically for your bike, ensuring a perfect fit and optimal performance.

The Namura piston kit consists of four pistons, each crafted from forged aluminum alloy. With a bore diameter of 100.97mm, these pistons provide a snug and secure fit in your engine cylinders. Forged aluminum alloy is known for its exceptional strength, durability, and heat resistance, which makes it an ideal material for pistons.

Each piston comes equipped with a ring pack that includes a compression ring, oil control ring, and skirt oil scraper ring. These rings are designed to minimize friction and optimize engine efficiency, resulting in smoother operation and improved fuel economy.

The piston crowns feature a domed design, which allows for efficient combustion and optimal engine power output. This design also helps to reduce engine knocking and pinging, providing a more stable and responsive ride.

The pistons are precision-machined to ensure a perfect fit and even ring gap. This attention to detail ensures that your engine will run smoothly and efficiently, providing you with the reliability and performance you expect from your Yamaha XTZ 660 Tenere.

The Namura OR-A427829 WX Piston Kit is an excellent choice for riders who demand the highest quality parts for their motorcycle. Whether you're a weekend warrior or a long-distance tourer, this piston kit will help keep your Yamaha XTZ 660 Tenere running at its best.

In conclusion, the Namura OR-A427829 WX Piston Kit is a top-quality, forged aluminum piston set designed for the 1991-1998 Yamaha XTZ 660 Tenere. With a bore diameter of 100.97mm, these pistons offer exceptional strength, durability, and heat resistance. Each piston comes with a ring pack and a domed crown for efficient combustion and optimal power output. This piston kit is a must-have for riders who seek the best performance and reliability for their motorcycle.

Piston Kit Replacement for 1991-1998 Yamaha XTZ 660 Tenere with 100.97mm Piston (Namura OR-A427829-WX)

If you own a 1991-1998 Yamaha XTZ 660 Tenere and are considering a piston kit replacement, the Namura OR-A427829-WX 100.97mm piston kit could be an option. In this article, we will discuss the pros and cons of purchasing this piston kit to help you make an informed decision.

1. High-Quality Material: Namura pistons are known for their high-quality materials, which can ensure durability and longevity. This piston kit is made from forged aluminum alloy, ensuring a precise fit and superior strength.

2. Improved Performance: A piston kit replacement can improve the overall performance of your motorcycle. This kit can potentially increase power output and torque, enhancing your riding experience.

3. OEM-Grade Quality: The Namura OR-A427829-WX piston kit is an OEM-grade replacement, meaning it is designed to meet or exceed the original equipment manufacturer's specifications. This can provide peace of mind knowing that the replacement parts are of the same quality as the original parts.

4. Affordable: Compared to some aftermarket options, the Namura piston kit is relatively affordable, making it an attractive choice for budget-conscious riders.

1. Limited Availability: The Namura piston kit may not be readily available at all motorcycle parts stores or online retailers, requiring you to search extensively to find a supplier.

2. Installation Complexity: Installing a piston kit can be a complex process, requiring specialized tools and technical expertise. It may be necessary to hire a professional mechanic to ensure proper installation.

3. Potential Compatibility Issues: While this piston kit is designed to fit the 1991-1998 Yamaha XTZ 660 Tenere, there may be potential compatibility issues with other components on your motorcycle. It is essential to ensure that all components are compatible before installation.

The Namura OR-A427829-WX 100.97mm piston kit for the 1991-1998 Yamaha XTZ 660 Tenere offers several advantages, including high-quality materials, improved performance, OEM-grade quality, and affordability. However, it also comes with some drawbacks, such as limited availability, installation complexity, and potential compatibility issues.

If you are in the market for a piston kit replacement for your 1991-1998 Yamaha XTZ 660 Tenere and are comfortable with the installation process, the Namura OR-A427829-WX 100.97mm piston kit could be an excellent choice. However, if you prefer a more convenient option or have concerns about compatibility, it may be worth exploring other options from reputable aftermarket manufacturers. Ultimately, the decision depends on your individual needs, preferences, and technical expertise.

Details:

I need to exchange an item. This is helpful if you are buying multiple items. Rings will fit OEM pistons. All Namura pistons have premium world class rings.

Brand: Namura, model Number: ORNA-RA427829-WX. 1991 1998 Yamaha XTZ 660 TENERE Dirt Bike Namura Piston Kit 100.97mm: Compatibility: TENERE, Size: 100.97mm. All Namura pistons have anodized domes that provide superior heat resistance. Parts without fitment are to be assumed universal and may require vehicle modification.

part #: ornara427829 price

• $96.01

specifications pistondon:

• for models: Xtz, 660, Tenere
• for makes: Yamaha
• for years: 1991-1998
• brand: Namura
• mpn: Orna-ra427829-wx
• part type: Piston

general pistondon:

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

offer pistondon:

• quantity: 3
• sold: 0
• availability: In Stock
• started: November 11, 2025
• options: Ship-to-home

returns pistondon:

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

seller pistondon:

• city: Indiana, US
• # reviews: 69791
• rating: 99.7%

payments pistondon:

• wallet: Paypal
• other
• credit card: Visa

shipping pistondon:

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

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