1Set Cylinder Stock Bore 77mm Jug 5XC-11311-20-00 5NL-11311-00-00 5NL-11631-20-00 For YZ250F YZ WR250F 2001-2013 This cylinder set is designed for use with YZ250F and WR250F models from 2001 to 2013.It features a cylinder bore size of 77mm, engineered to support engine performance.Constructed using materials intended for durability, it is built to handle demanding riding conditions.The package includes one cylinder, one set of piston rings, and a pin and clip kit, providing all key components needed for installation.Designed for compatibility with specified models, it allows straightforward integration into the engine without requiring modifications.OEM part numbers 5XC-11311-20-00, 5NL-11311-00-00, and 5NL-11631-20-00 are included to help proper fitment.This replacement cylinder supports consistent engine and is suitable for riders seeking performance and long-term function.