125cc 52.4mm BORE CYLINDER ENGINE REBUILD KIT FOR GY6 MOTORS This cylinder kit is designed for use with GY6 engine platforms.It features a 52.4mm bore and is intended to replace worn or damaged components during an engine rebuild.The kit includes a cylinder, piston, rings, wrist pin, and related hardware necessary for installation.Components are machined to standard specifications to proper fitment and function.This assembly supports displacement to approximately 125cc when used with compatible parts.Intended for use in , bikes, and other small engine applications utilizing the GY6 design.Installation requires basic mechanical knowledge and standard tools.Proper torque specifications and break-in procedures should be followed for performance.