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  3. YAMAHA 5NX-11631-00-C0

YAMAHA 5NX-11631-00-C0 Piston

fits model: Yz, 250. make: Yamaha. year: 2002–2004.

5nx-11631-00-c0 Yamaha New Oem 2002-2004 Yz 250 Piston

( Manufacturer Part Number: 5NX-11631-00-C0 ), ( Part Type: Piston ), ( Country Of Origin: Japan )

Review YAMAHA New Oem Piston fits YZ 250 2002–2004

The Yamaha YZ 250 piston, model number 5NX-11631-00-C0, is a high-performance aftermarket replacement piston designed specifically for the Yamaha YZ 250 motorcycle model years 2002 to 2004. This piston is a crucial part of the engine and plays a vital role in the combustion process, transferring the force of the explosion to the crankshaft and ultimately propelling the motorcycle forward.

This piston is manufactured using advanced techniques and materials to ensure optimal engine performance. The piston crown is designed to provide an ideal compression ratio for maximum power output, while the skirt is engineered for superior strength and durability. The piston ring grooves are precision machined and feature high-quality piston rings to ensure efficient combustion and minimize engine blowby.

The piston is also designed with a lightweight and strong material, such as forged aluminum, to reduce the overall weight of the rotating assembly, resulting in increased engine response and improved acceleration. Additionally, the piston is designed with a tight piston-to-liner clearance to minimize friction and heat buildup, which can extend the life of the engine.

This aftermarket Yamaha YZ 250 piston is a direct replacement for the original equipment manufacturer (OEM) piston and is designed to fit and function identically. However, it offers several advantages over the OEM piston, including improved performance, increased durability, and extended engine life.

In summary, the Yamaha YZ 250 piston, model number 5NX-11631-00-C0, is a high-quality aftermarket replacement piston specifically designed for the Yamaha YZ 250 motorcycle model years 2002 to 2004. It is engineered to provide optimal engine performance, increased durability, and extended engine life. With its advanced design and materials, this piston offers significant advantages over the OEM piston and is an excellent choice for riders looking to improve the performance and longevity of their Yamaha YZ 250 motorcycle.

Pros and Cons of Buying a Yamaha YZ 250 Piston (Model: 5NX-11631-00-C0, Years: 2002-2004)

Introduction:

The Yamaha YZ 250 is a popular motorcycle model known for its high-performance capabilities. One of the crucial parts of this motorcycle is the piston, which is responsible for the engine's smooth functioning. In this article, we will discuss the pros and cons of buying a Yamaha YZ 250 piston (Model: 5NX-11631-00-C0, Years: 2002-2004) to help you make an informed decision.

Pros:

1. Enhanced Engine Performance: A new piston can significantly improve the motorcycle's engine performance by ensuring proper compression, reducing friction, and preventing wear and tear.

2. Increased Power and Torque: A high-quality piston can lead to increased power and torque, resulting in better acceleration and overall riding experience.

3. Improved Durability: A new piston can improve the engine's durability, allowing you to ride longer without worrying about engine failures.

4. Cost-Effective Solution: Replacing a worn-out piston can be more cost-effective than purchasing a new motorcycle or even rebuilding the entire engine.

5. Customization Option: Buying a new piston gives you the flexibility to customize your motorcycle engine to suit your specific performance needs.

Cons:

1. Installation Complexity: Installing a new piston can be a complex process that requires specialized tools and technical expertise, which can be time-consuming and expensive.

2. Cost: A high-performance aftermarket piston can be relatively expensive compared to the stock piston that comes with the motorcycle.

3. Compatibility: Ensuring that you purchase the correct piston for your specific Yamaha YZ 250 model and year is crucial to avoid compatibility issues.

4. Potential Risks: Installing an incorrect or poor-quality piston can lead to engine damage, decreased performance, or even catastrophic failures.

Conclusion:

In conclusion, the decision to buy a Yamaha YZ 250 piston (Model: 5NX-11631-00-C0, Years: 2002-2004) depends on several factors, including your riding style, budget, and technical expertise. While a new piston can offer improved engine performance, increased power, and durability, the installation process can be complex, and the cost can be relatively high. To mitigate the risks, it's essential to purchase the correct piston from a reputable supplier, ensure proper installation, and consider the long-term benefits of the upgrade.

Recommendation:

If you're an avid motorcycle enthusiast looking to enhance your Yamaha YZ 250's performance, a high-quality aftermarket piston can be an excellent investment. However, it's crucial to do thorough research, consider the pros and cons, and consult with a professional mechanic to ensure a successful installation. With proper preparation and execution, the benefits of a new piston can significantly improve your riding experience.

Details:

You are purchasing a brand new part.

part #: 5nx1163100c0 prices

  • $170.77-$282.33

specifications filtertake:

  • for models: Yz, 250
  • for makes: Yamaha
  • for years: 2002-2004
  • mpn: 5nx-11631-00-c0
  • part type: Piston
  • country of origin: Japan

shipping filtertake:

  • class: Expedited
  • service: USPS Priority Mail
  • carrier: USPS
  • type: Fixed
  • transit: 4-8 Days
  • cost: $0.00

offer filtertake:

  • started: May 31, 2026
  • options: Ship-to-home
  • quantity: 1
  • availability: In Stock
  • sold: 0
  • best offers: True

seller filtertake:

  • rating: 99.5%
  • # reviews: 2612
  • city: Cypress, Texas

general filtertake:

  • condition: New
  • Motorcycle Scooter Parts Accessories > Engines Engine Parts > Oil Filters

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returns filtertake:

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for models: yz, 250, for makes: yamaha, for years: 2002-2004, part type: piston, country of origin: japan,
category: motorcycle parts > motorcycle scooter parts accessories > engines engine parts > oil filters, sku: 8692335010698721,

Yamaha 5NX-11631-00-C0 Is Similar To:

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5 offers $170.77–$282.33 USD
  • Offer #1: $170.77 price + $0.00 shipping estimate = $170.77* total. Product Type: Piston Kit Replaces: Source: Aftermarket.FREE SHIPPING
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