77mm STANDARD Cylinder&Pistons Rings Kit For 2001-2013 WR250F YZ250F BORE Motorcycles Accessories Parts 5XC-11311-20-00 This 77mm STANDARD Cylinder and Piston Rings Kit is designed as a replacement part for WR250F and YZ250F motorcycles manufactured between 2001 and 2013.The kit includes a cylinder, piston rings, and pin clips, providing a complete solution for engine maintenance or rebuilds.The cylinder is constructed from materials to withstand operational stress, while the piston rings are engineered to proper sealing and consistent performance.Installation requires no modifications to the engine, as the kit serves as a direct replacement for OEM part numbers 5XC-11311-20-00, 5NL-11311-00-00, 5NL-11631-20-00, 5UL-11311-00-00, and 5XC-11311-00-00.Designed for compatibility with specified models, this kit supports engine under normal riding conditions.