Model Name: M587-A211 Material: Aluminum, Steel Displacement: 249cc Stroke: 4T Engine: ZS177 Cooling: Water-cooled Bore Type: Standard Bore Bore diameter: 77mm Pin diameter: 16mm Pin Overall Length: 46mm Barrel Height: 51mm Barrel Total Height: 98.7mm Replacement parts: Cylinder: 1110B-ME30-00000W, 100104394-0002 Cylinder Base Gasket: 90205-ME30-0000, 100069657 Cylinder Head Gasket: 9022B-ME30-0000, 100208897 Piston: 13101-ME30-0000, 100068638 Pin, Piston: 13102-ME30-0000, 100101540 Piston Ring Set (Std): 1310A-ME30-0000, 100068639 Circlips, piston (2): 91401-ME30-0000 Cylinder Tensioner Gasket: 90211-BA81-0000 This cylinder piston end kit is designed for the 250cc NC250 engine and fits models such as Cami EC250, AJP PR5 250, Mikilon 250cc, Megelli 250R, Crossfire XZ250R, Kayo T6 K6 250cc, and others.The kit includes the cylinder, piston, piston rings, connecting pin, circlips, and a complete end gasket set for straightforward installation. The cylinder features a water-cooled design to manage heat effectively during.The piston is anodized to improve heat resistance and.All components are made from aluminum and steel, supporting performance under conditions.With a standard bore of 77mm and a 16mm steel piston pin, this kit provides a direct replacement for specifications.The materials meet a 105℃ volatility threshold, indicating stable performance in -temperature environments.This end kit supports consistent engine function for off-road and recreational use. This product is a third-party replacement.Any use of brand names or model designations is purely to indicate compatibility.