85CC 47.5mm Bore Motorcycle Cylinder Kit Cylinder Block Piston Pin Ring Gasket Set For YZ80 YZ85 2 Stock Engine Part This cylinder kit is designed for use with YZ80 and YZ85 2-stroke motorcycle engines.It includes a cylinder block, piston, wrist pin, piston rings, and gasket set.The bore size measures 47.5mm with an 85CC displacement, intended to replace stock engine components.The set provides all necessary parts for rebuilding or repairing the engine's end.Components are machined to standard specifications for compatibility with configurations.Compatibility Note: This is a third-party part.All brand/model references are for fitment purposes only.