Motorcycle Cylinder Kit for CB125 TWIN CA125 CB125T CBT125 CM125 244FMI 247FMJ 125cc Upgrade 150cc Modification This cylinder kit is designed for engine rebuilds and displacement on 125cc twin-cylinder motorcycles.It includes a cylinder, piston, piston pin, connecting rod, ring set, and related components necessary for converting from 125cc to 150cc.The kit supports engine modifications for improved performance and power output.Components are -machined to ensure proper fitment and.Compatible with models using 44mm or 47mm pistons depending on configuration.Suitable for use with camshafts, valves, rocker arms, timing chains, starter clutches, and gasket sets used in similar engine assemblies.Includes complete gasket set for full engine sealing during rebuild.Designed for straightforward installation on compatible motorcycle engines. Compatibility Disclaimer: This is an aftermarket replacement part.Any brand names or model designations mentioned are used solely for the purpose of demonstrating compatibility.