fits model: Crf250r. make: Honda. year: 2010–2013.

( Brand: Namura Technologies ), ( Manufacturer Part Number: NX-10039-C ), ( Part Type: Piston )
The Namura NX-10039-C Standard Piston Kit is an excellent upgrade solution for Honda CRF250R motorcycles manufactured between 2010 and 2013. This piston kit is specifically designed for engines with a 76.8mm bore size, ensuring a perfect fit and optimal performance.
The piston kit includes four high-quality pistons, specifically engineered to enhance the power and durability of your CRF250R engine. Each piston is made from forged aluminum, ensuring superior strength and resistance to wear and tear. The piston crowns are designed with a compact shape to improve combustion efficiency, leading to increased horsepower and torque.
Moreover, the Namura pistons are finished with a state-of-the-art coating, which provides excellent heat resistance and reduces friction between the piston and the cylinder wall. This coating also helps to prevent scuffing and scoring, extending the lifespan of the piston and reducing the need for frequent replacements.
The kit also includes rings, which are crucial for sealing the combustion chamber and preventing oil and coolant from entering the crankcase. The rings are made from high-quality materials and are designed to provide excellent sealing performance while minimizing friction and wear.
Installing the Namura NX-10039-C Standard Piston Kit on your Honda CRF250R is a straightforward process, and the kit comes with all necessary hardware and instructions to make the installation process hassle-free. The pistons are precision-machined to ensure a perfect fit and proper clearance with other engine components.
By upgrading to the Namura NX-10039-C Standard Piston Kit, you can expect increased horsepower, improved torque, and enhanced durability from your CRF250R engine. Whether you're a weekend warrior or a professional racer, this piston kit is an excellent investment for anyone looking to get the most out of their Honda CRF250R motorcycle.
The Namura NX-10039-C standard piston kit is designed for Honda CRF250R motorcycles manufactured between 2010 and 2013. This kit offers an upgrade for the stock piston, aiming to improve performance and durability. In this analysis, we will discuss the potential advantages and disadvantages of investing in this piston kit.
II. Pros1. Enhanced Power: The Namura piston kit is designed to provide increased power. The new piston allows for a higher compression ratio, which can lead to improved combustion efficiency and ultimately more power.
2. Durability: The Namura piston kit is made from high-quality materials, ensuring long-lasting performance. The piston is engineered to withstand the rigors of off-road riding, making it a popular choice among enthusiasts.
3. Customization: Installing this aftermarket piston kit offers the opportunity to personalize your Honda CRF250R. It can be an appealing option for riders who want to optimize their motorcycle's performance for their specific riding style or preferences.
4. Cost-effective: Compared to other performance upgrades, a piston kit is relatively affordable. It can be a cost-effective way to improve the power output and overall performance of your CRF250R.
III. Cons1. Installation Complexity: Installing a piston kit can be a complicated process. It involves removing the engine from the motorcycle and disassembling the top end of the engine. This may require specialized tools and a good understanding of engine mechanics.
2. Risk of Damage: The process of installing a new piston kit carries a risk of damaging other components during the installation process. Careful attention to detail and proper installation techniques are essential to minimize this risk.
3. Potential Power Roll-off: Some riders have reported a power roll-off with the Namura piston kit. This issue can be attributed to the higher compression ratio, which may require additional tuning or jetting adjustments to ensure optimal performance.
IV. ConclusionThe Namura NX-10039-C standard piston kit for Honda CRF250R (2010-2013) offers several advantages, including enhanced power, durability, customization, and cost-effectiveness. However, it also comes with potential drawbacks, such as installation complexity, the risk of damage, and power roll-off.
Considering these factors, the decision to purchase this piston kit ultimately depends on your budget, technical skills, and riding preferences. If you're comfortable with the installation process and willing to invest the time and resources, the Namura piston kit can provide significant performance improvements for your CRF250R. However, if you're not willing or able to take on the installation process, it may be worth considering other, less complex performance upgrades.
V. RecommendationIf you decide to proceed with the purchase of the Namura NX-10039-C standard piston kit, be sure to follow the proper installation procedures carefully. Research the installation process thoroughly, gather all necessary tools, and consider seeking professional assistance if needed. Additionally, ensure that you have the appropriate tuning adjustments in place to address any potential power roll-off issues. With the right preparation and attention to detail, you can enjoy the performance benefits of this piston kit on your Honda CRF250R.
Manufactured by Namura. Piston dome is anodized for superior heat resistance and longer lifespan. Also allows for smoother start-ups break-ins. Compression ratio of 13.2:1.
Hypertrophy Series piston. Piston skirts are Molybdenum Teflon coated to minimize resistance/wear and provide extended life. Made in Taiwan. Kit is for standard bore size - 76.80mm.
Engineered to maintain its high tensile strength up 700 F 370 C, 50% higher than a conventional cast piston, this gives Hypertrophy pistons the perform under operating conditions normally reserved for forged. Size C piston is 76.78mm. Kit Includes piston, rings, pin, clips you get exactly what is pictured.