1set Motorcycle Engine Bore 77mm JUG Cylinder Stock OE# 5XC-11311-20-00 Fits For WR250F YZ250F 2001-2013 Motorcycle Parts Material: cast aluminum Compatibility: designed for WR250F and YZ250F models from 2001 to 2013 Performance: engineered for precise fit and engine Package Contents: 1 piece cylinder, 1 set piston rings, pin, and clips Installation: designed for direct installation without modifications OEM Part Numbers: 5XC-11311-20-00, 5NL-11311-00-00, 5NL-11631-20-00, 5UL-11311-00-00, 5XC-11311-00-00, 5XC-11311-01-00, 5XC-11311-10-00 The 77mm bore cylinder is constructed from cast aluminum, offering a lightweight design with structural integrity.It is built to match the specifications of , compatibility with specified models.The included components provide a complete assembly for engine rebuilds.The design supports straightforward installation, making it suitable for use in engine maintenance or restoration projects. This product is an aftermarket solution.Brand names are mentioned only to clarify compatibility with specific models.