60mm Engine Cylinder For YX 150cc 160cc Pit Dirt Pitmotard Bike Engine cylinder designed for use with YX 150cc and 160cc pit bikes.This 60mm diameter cylinder is compatible with dirt bike models commonly used in off-road and motard applications.The unit is built to replace the engine cylinder and fits standard engine configurations for these engine sizes.It supports proper combustion chamber function and connects directly to the crankcase and head components.Suitable for riders seeking to repair or upgrade their bike's engine performance. This is a replacement part from a third party.All brand/model references serve only to show intended compatibility.