fits model: Wr250f. make: Yamaha. year: 2015–2019.

( Brand: Namura Technologies ), ( Manufacturer Part Number: FX-40037-CCC ), ( Part Type: Piston )
Introducing the Namura FX-40037-CCC Standard Piston Kit, specifically designed for the Yamaha WR250F motorcycles manufactured between 2015 and 2019. This piston kit comes with a bore size of 76.98mm, which is a 0.1mm deviation from the original 77mm size.
This piston kit is a direct replacement for the OEM piston, ensuring a perfect fit and reliable performance. Each piston is meticulously crafted using high-quality forged aluminum alloy, providing superior strength and durability. The piston skirt is designed with a honed finish to ensure optimal ring seal and minimize friction.
The piston crown is engineered with a flat top design, which allows for easy ignition and efficient combustion. The crown also features a optimized dome shape, which improves engine power and torque. The piston pin is made of high-strength steel and is precisely sized to ensure a snug fit in the piston.
This piston kit is an excellent upgrade for riders who are looking to improve the performance of their Yamaha WR250F. It is also ideal for riders who have put significant mileage on their bikes and are in need of a replacement. Each piston kit comes complete with a piston, piston pin, and ring set, ensuring a comprehensive solution for your engine needs.
In summary, the Namura FX-40037-CCC Standard Piston Kit is a high-quality aftermarket piston solution for the Yamaha WR250F motorcycles. It is precisely engineered to provide superior strength, durability, and performance, making it an excellent choice for riders who demand the best from their motorcycles.
a. Enhanced Performance: The Namura piston kit is designed to provide better compression and improved engine performance. This results in increased horsepower and torque, making your WR250F more responsive and powerful.
b. Durability: The piston kit is manufactured from high-quality materials to ensure long-lasting performance. It is engineered to withstand the rigors of off-road riding and high-performance use.
c. Customization: Upgrading your stock pistons is an excellent way to personalize your motorcycle and increase its value. It also allows you to tailor the engine to your specific riding style and preferences.
2. Cons:a. Cost: The Namura piston kit is not an inexpensive upgrade. Depending on your budget, this may be a significant investment.
b. Installation: Installing the piston kit requires a fair amount of mechanical knowledge and experience. It's recommended that you have the kit installed by a professional mechanic to ensure proper installation and ensure the safety of your motorcycle.
c. Potential Power Increase: While increased power can be beneficial, it may also require adjustments to other components of your motorcycle, such as the fuel system or exhaust, to ensure proper functioning.
3. Conclusion:The Namura FX-40137-CCC standard piston kit for the Yamaha WR250F (2015-2019) with a 77mm bore offers several advantages, including enhanced performance, durability, and customization. However, it also comes with some downsides, such as the cost and installation complexity. Ultimately, the decision to purchase this piston kit depends on your personal preferences, budget, and riding style.
4. Recommendation:If you are a serious off-road rider or a performance enthusiast looking to extract the maximum potential from your Yamaha WR250F, the Namura piston kit is an excellent investment. However, if you are new to motorcycle maintenance or have a limited budget, it may be wiser to consider other upgrades or wait until you have gained more experience and financial resources.
Namura FORGED Series piston. Kit Includes piston, rings, pin clips you get exactly what is pictured. Made in Taiwan. All Namura Forged pistons come with Namura signature features: 100% CNC-machine piston domes, hard anodized domes for reduced carbon build-up and heat resistance M0S2 coated skirts excellent break-in protection properties.
Size C piston is 76.98mm. Kit is for standard bore size - 77.00mm. Manufactured by Namura. Namura exclusive forged alloy used offers lower expansion rates, allowing for tighter build tolerances and superior tensile strength at operating temperatures.
Compatible with Yamaha model's below: 2015 WR250F.