NAMURA TECHNOLOGIES NX-40026R Piston Kit Bike

( Brand: Namura Technologies ), ( Manufacturer Part Number: NX-40026R ), ( Part Type: Piston )

Review NAMURA TECHNOLOGIES Nx-40026 Yamaha Dirt Bike Piston Kit fits YZ250 STD 1992–1998

The Namura NX-40026R / NX-40026 piston kit is specifically designed for Yamaha YZ250 motorcycles manufactured between 1992 and 1998. This high-performance piston kit is an excellent upgrade for riders seeking improved engine power and durability.

Each piston in this kit is meticulously crafted using forged aluminum alloy, ensuring superior strength and stability. The piston crowns are engineered with a domed shape, providing optimal combustion efficiency and enhancing the overall engine performance. The skirt of the piston is designed with a full-skirt architecture, limiting the transfer of engine heat to the coolant, thereby increasing the engine's cooling capacity and efficiency.

The piston rings included in this kit are made from high-quality, heat-resistant materials. The compression ring is designed to provide a snug fit in the piston groove, minimizing the compression loss and ensuring optimal engine efficiency. The oil control ring is engineered to limit oil consumption and prevent oil from entering the crankcase. The piston ring grooves are precision machined to ensure a perfect fit and seamless installation.

This piston kit comes with matching piston pins, ensuring a perfect fit and eliminating the need for additional purchases. The pins are made from high-strength steel, providing the necessary strength and durability to withstand the rigors of high-performance riding.

The installation process for this piston kit is relatively straightforward, making it an ideal choice for both professional mechanics and enthusiastic DIYers. The piston kit comes complete with all necessary hardware, including piston clips, piston pin bushings, and circlips, ensuring a hassle-free installation process.

In summary, the Namura NX-40026R / NX-40026 piston kit is a top-tier performance upgrade for Yamaha YZ250 motorcycles from 1992 to 1998. Its forged aluminum pistons, high-quality piston rings, and matching piston pins are designed to provide superior strength, increased engine efficiency, and improved durability. With a straightforward installation process and all necessary hardware included, this piston kit is an excellent investment for any Yamaha YZ250 rider seeking to enhance their bike's performance.

Buying a Namura NX-40026R or NX-40026 piston kit for a 1992-1998 Yamaha YZ250 can be a good investment for motorcycle enthusiasts looking to improve the performance of their bike. Here are some pros and cons to consider before making a purchase:

1. Improved Performance: A new piston kit can help increase the power output and efficiency of the engine, resulting in better acceleration and top speed.

2. Durability: A high-quality piston kit can help extend the life of the engine by reducing wear and tear, especially if the original pistons have reached the end of their lifespan.

3. Customization: Upgrading the pistons is a popular modification for motorcycle enthusiasts, and can be a way to personalize and enhance the performance of their bike.

4. Cost-Effective: Compared to other engine upgrades, a piston kit can be a relatively affordable way to improve the performance of your Yamaha YZ250.

1. Installation: Installing a piston kit can be a complex and time-consuming process, requiring specialized tools and technical expertise.

2. Risk of Damage: There is always a risk of damaging other engine components during the installation process, which could lead to additional repair costs.

3. Performance Variability: Different piston kits can have varying effects on engine performance, so it's important to choose a reputable brand and consult with a knowledgeable mechanic or motorcycle expert before making a purchase.

4. Compatibility: It's crucial to ensure that the piston kit is compatible with your specific model and year of Yamaha YZ250 before making a purchase.

In conclusion, a Namura NX-40026R or NX-40026 piston kit for a 1992-1998 Yamaha YZ250 can be a worthwhile investment for motorcycle enthusiasts looking to enhance the performance and durability of their bike. However, it's essential to consider the potential cons, such as the installation process and compatibility, before making a purchase. I would recommend consulting with a knowledgeable mechanic or motorcycle expert to ensure that the piston kit is the best option for your specific bike and riding style.

Details:

Compression Ratio: 10.6:1. This is helpful if you are buying multiple items. Parts without fitment are to be assumed universal and may require vehicle modification. Compatibility: Yamaha WR250 1992 - 1998 , YZ250 1998.

NX-40026 1992 - 1998 YAMAHA DIRT BIKE YZ250 NAMURA PISTON KIT STD: Namura Piston Kit Contains: One piston, Matching Ring, Pin and Cir clips. Credit or Debit Card. I need to exchange an item. Piston Size: 67.94mm.

part #: nx40026r prices

• $17.95-$74.38

specifications pistondon:

• for models: Yz250, Std
• for makes: Yamaha
• for years: 1992-1998
• brand: Namura Technologies
• mpn: Nx-40026r
• part type: Piston

payments pistondon:

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

returns pistondon:

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

general pistondon:

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

shipping pistondon:

• transit: 4-7 Days
• class: Standard
• service: Standard
• type: Fixed
• cost: $0.00

seller pistondon:

• # reviews: 64594
• rating: 99.5%
• city: San Marcos, CA

offer pistondon:

• options: Ship-to-home
• quantity: 9
• availability: In Stock
• sold: 0
• started: August 8, 2025

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