NAMURA NX-40025-4 Piston 758891090210 1MM 67.35MM 10.9 2-STROKE/YZ250X

( Brand: Namura ), ( Manufacturer Part Number: NX-40025-4 ), ( Part Type: Piston ), ( UPC: 758891090210 )

Review NAMURA Piston 1mm 67.35mm 10.9 For Yamaha 2-stroke/yz250x 2-stroke fits YZ250 YZ250X

The Namura NX-40025-4 Piston is a high-quality replacement part specifically designed for the Yamaha YZ250 and YZ250X two-stroke models. This piston is a crucial component in the engine's combustion process, responsible for converting the energy from the explosion of the fuel-air mixture into mechanical work.

The NX-40025-4 piston is manufactured using advanced materials and techniques to ensure optimal performance and durability. The piston skirt is crafted from a high-temperature resistant alloy, providing excellent ring seal and reducing scuffing. The piston crown is designed with a precise shape and honing to ensure proper compression and ignition timing.

The NX-40025-4 piston features a 1mm compression height, which is ideal for tuning the engine for different power delivery characteristics or to accommodate aftermarket modifications. The piston also has a 67mm bore diameter, ensuring a snug fit in the cylinder and optimal engine performance. The piston's total height measures 35mm, making it suitable for use with stock or aftermarket cylinders.

The piston ring gaps are pre-set to ensure proper clearance, reducing the need for extensive setup. The piston also comes with a pinned wrist pin for added strength and durability. The pin is held in place by a sturdy retainer, ensuring a secure fit and reducing the risk of failure due to pin shearing.

In conclusion, the Namura NX-40025-4 Piston is a high-quality replacement part for the Yamaha YZ250 and YZ250X two-stroke models. Its advanced materials and design ensure optimal performance and durability, while its 1mm compression height, 67mm bore diameter, and 35mm total height make it a versatile option for various engine configurations. The piston's pre-set ring gaps and sturdy wrist pin retainer further enhance its reliability and ease of installation.

1. High-quality material: Namura pistons are made from high-grade aluminum alloy, ensuring durability and reliability.

2. Precision manufacturing: The piston is engineered for a precise fit in the engine, reducing friction and improving efficiency.

3. Improved performance: The 1mm oversize allows for better combustion, resulting in increased power and torque.

4. Cost-effective: Compared to OEM pistons, Namura pistons offer significant savings without compromising performance.

1. Potential need for aftermarket components: To fully realize the piston's potential, other aftermarket components such as rings, gaskets, or cylinder may be required for optimal performance and longevity.

2. Installation may require special tools or skills: Installing the piston may require specialized tools or knowledge, potentially adding to the overall cost or requiring professional assistance.

3. Risk of damage during installation: There is always a risk of damaging the engine during installation, especially for those without experience.

Buying the Namura NX-40025-4 piston for your Yamaha YZ250 or YZ250X can provide significant performance improvements and cost savings. However, it's essential to recognize the potential drawbacks, such as the need for additional aftermarket components and the potential for damage during installation. If you have the necessary skills and resources, the benefits of the Namura piston can be worth the investment. If not, it may be wise to consider having the installation done by a professional to ensure a successful upgrade.

Details:

Namura piston kits come with the following: Individually wrapped. Piston kits are sold per cylinder. Set of OEM quality rings packed in their own box. Namura offers direct replacements for the original equipment as well hi-compression and a variety of oversized to meet your rides needs.

Combine this with the MOS2 coating and hard anodizing, Namura gives you a higher performance piston without price. Namura Piston 1mm 67.35mm 10.9:1 for Yamaha YZ250 2-Stroke/YZ250X 2-Stroke: Why replace your cylinder when you can the piston a fraction of cost and time.

part #: nx400254 prices

• $55.95-$113.78

specifications pistondon:

• for models: Yz250, Yz250x
• for makes: Yamaha
• brand: Namura
• mpn: Nx-40025-4
• part type: Piston
• upc: 758891090210

general pistondon:

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

offer pistondon:

• options: Ship-to-home
• availability: In Stock
• sold: 0
• started: August 31, 2024
• quantity: 2

payments pistondon:

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

shipping pistondon:

• type: Fixed
• class: Standard
• transit: 6-11 Days
• service: Standard
• cost: $0.00

returns pistondon:

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

seller pistondon:

• # reviews: 589509
• rating: 99.3%
• city: Grand Rapids, Michigan

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