The perfect solution for your XR125L or NXR125 2003-2011 motorcycle - the Cylinder Barrel Piston Kit! This kit is designed to meet the stringent performance demands of your motorcycle. It features a 13mm bore, perfectly tailored to your engine's dimensions. The kit includes all the necessary components, ensuring a seamless installation process. Its robust construction ensures longevity, reducing the need for frequent repairs or replacements. Whether you're a seasoned mechanic or a DIY enthusiast, our Cylinder Barrel Piston Kit is up to the task. Experience the difference a top-quality kit can make on your motorcycle's performance, reliability, and overall enjoyment.