NAMURA TECHNOLOGIES NX-40022-4 Piston Kit .040 71MM

( Brand: Namura Technologies ), ( Manufacturer Part Number: NX-40022-4 ), ( Part Type: Piston ), ( Country Of Origin: Taiwan )

Review NAMURA TECHNOLOGIES Piston Kit For Yamaha Many And .040 Over Bore 71mm fits XT225 TT-R225 TT-R230

Introducing the Namura NX-40022-4 piston kit, specifically designed for Yamaha XT225, TT-R225, TT-R230, 040 models with a 71mm bore size. This piston kit is an excellent upgrade for riders seeking improved engine performance and reliability.

The NX-40022-4 piston kit comes with four forged pistons, each precision-machined to ensure superior strength and durability. Forged pistons offer several advantages over their cast counterparts, including higher compressive strength, reduced weight, and better resistance to engine heat and detonation.

Each piston features a crown design optimized for the Yamaha engines, ensuring a perfect fit and ensuring efficient combustion. The piston skirt, meanwhile, has a chamfered edge for reduced friction and easier installation.

The piston rings included in this kit are made from high-quality, low-friction materials designed to provide excellent sealing and minimize wear. The compression rings are made from nitrided steel for prolonged durability, while the oil control rings are made from chrome alloy for efficient oil control.

The piston kit also includes a set of high-performance piston pins made from high-tensile steel. These pins offer superior strength and durability, ensuring that the pistons remain securely in place during rigorous off-road use.

Finally, the NX-40022-4 piston kit comes with detailed installation instructions to make the replacement process as straightforward as possible. The pistons are designed to be a direct fit, but it's always a good idea to consult with a professional mechanic to ensure a successful installation.

In summary, the Namura NX-40022-4 piston kit is an excellent upgrade for Yamaha XT225, TT-R225, TT-R230, 040 models with a 71mm bore size. With forged pistons, high-quality piston rings, and robust piston pins, this kit offers improved engine performance, reliability, and durability.

Piston Kit Upgrade for Yamaha XT225, XT230, and TT-R225: A Closer Look at the NAMURA NX-40022-4

The NAMURA NX-40022-4 piston kit is designed for Yamaha XT225, XT230, and TT-R225 motorcycles with a 71mm bore size. In this analysis, we will discuss the key features, advantages, and potential drawbacks of investing in this piston kit upgrade.

1. High-performance pistons: The NAMURA pistons are made from forged material, ensuring durability and strength. They are also designed to provide improved combustion efficiency and increased power output.

2. Enhanced cooling: The pistons feature an upgraded cooling design that helps maintain optimal engine temperature, reducing the risk of thermal damage and improving overall engine performance.

1. Increased power and torque: The forged pistons contribute to better compression and increased power output. This can lead to improved acceleration and overall riding performance.

2. Improved engine reliability: By upgrading the pistons, you can extend the life of your engine by reducing wear and tear on the stock components.

3. Enhanced durability: The forged pistons are more robust than their stock counterparts, making them less prone to failure under heavy use or extreme conditions.

1. Cost: The NAMURA piston kit is a more expensive upgrade compared to the OEM (Original Equipment Manufacturer) pistons. The investment may not be suitable for all budgets.

2. Installation complexity: Installing the piston kit may require specialized tools and mechanical expertise. It's recommended to have the work done by a professional mechanic or use an authorized dealership for the installation.

In conclusion, the NAMURA NX-40022-4 piston kit offers several advantages, including increased power and torque, improved engine reliability, and enhanced durability. However, the higher cost and installation complexity are potential drawbacks that should be considered before making a purchase.

If you are an avid rider looking for improved performance and engine longevity, investing in the NAMURA piston kit may be worth the expense and effort. However, if you are on a tight budget or not confident in your mechanical abilities, you may want to consider other less expensive upgrades or wait until you have the necessary resources to undertake this project.

If you decide to pursue the NAMURA piston kit upgrade, make sure to source it from a reputable dealer to ensure authenticity and quality. Additionally, consider having the installation performed by a professional mechanic to ensure proper alignment and functioning of the new components. This will help maximize the benefits of the upgrade and minimize the risk of potential issues.

Details:

Compatible with Yamaha model's below: 1993 XT225. Made in Taiwan. Kit Includes piston, rings, pin, clips you get exactly what is pictured. Piston is 70.97mm.

Piston skirts are Molybdenum Teflon coated to minimize resistance/wear and provide extended life. Piston dome is anodized for superior heat resistance and longer lifespan. Manufactured by Namura. Kit is for .040 over bore size - 71.00mm.

part #: nx400224 prices

• $13.10-$21.78

specifications pistondon:

• for models: Xt225, Tt-r225, Tt-r230
• for makes: Yamaha
• brand: Namura Technologies
• mpn: Nx-40022-4
• part type: Piston
• country of origin: Taiwan

payments pistondon:

• wallet: Google-pay
• other
• credit card: Diners-club

offer pistondon:

• quantity: 2
• started: February 9, 2026
• availability: In Stock
• options: Ship-to-home
• sold: 0

returns pistondon:

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

general pistondon:

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

shipping pistondon:

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

seller pistondon:

• city: Suamico, Wisconsin
• rating: 99.8%
• # reviews: 405197

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