67mm Cylinder Kit Water Cooled CG250 250cc ATV Bike Roketa This cylinder kit is designed for replacement or repair when experiencing low compression, cylinder damage, or piston seizure.It is compatible with 250cc water-cooled engines used in ATVs, bikes, go-karts, and similar vehicles equipped with a CG250 style engine.The kit includes a 67mm aluminum cylinder, piston, piston ring set, 16mm steel wristpin, circlips, cylinder base gasket, cylinder head gasket, and valve stem seals.The bore size is standard at 67mm with a 16mm piston pin diameter, suitable for vertical water-cooled 4-stroke engines.Intended for use with CG250, ZS250, and compatible water-cooled 250cc engine platforms found in ATVs, buggies, dune vehicles, pit bikes, and off-road motorcycles.Not compatible with CN250 clone engines used in or certain go-kart applications.fitment by comparing the dimensions and design of your current cylinder with the included components before installation.This is an aftermarket part provided as a direct-fit replacement for.Compatibility Disclaimer: This is an aftermarket replacement part.Any brand names or model designations mentioned are used solely for the purpose of demonstrating compatibility.