Motorcycle Engine Part Air Cylinder Block For YZ85 YZ 85 Cylinder 5PA-11311-10-00 Moto Accessories Material: Aluminium OEM Code: 5PA-11311-00-00, 5PA-11311-01-00, 5PA-11311-20-00, 5PA-11311-30-00 Model Name: 5PA-11311-00-00, 5PA-11311-01-00, 5PA-11311-20-00, 5PA-11311-30-00 Item Diameter: 4.75 Item Length: 0 Special Features: and Performance Cylinder Yz 85 | 85 Yz This motorcycle engine part is an air cylinder block designed for compatibility with YZ85 models from 1993 to 2018.Constructed from aluminium , the cylinder supports engine performance under demanding riding conditions.It aligns with OEM specifications including 5PA-11311-10-00, proper fitment and function.The design incorporates a diameter of 4.75 inches and is engineered for integration into the existing engine layout.manufacturing supports consistent and improved power delivery.Suitable for use in motocross and off-road applications, this cylinder block serves as a functional replacement or upgrade component for the specified models.