Cylinder Piston End Kit for 250cc NC250 Engine ZS177MM HS177MM Model: 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 Piston Pin: 13102-ME30-0000, 100101540 Piston Ring Set (Std): 1310A-ME30-0000, 100068639 Piston Circlips (2): 91401-ME30-0000 Cylinder Tensioner Gasket: 90211-BA81-0000 This 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 cylinder, piston, rings, pin, clips, and end gasket set for complete assembly.The water-cooled cylinder supports heat dissipation during.The anodized piston provides heat resistance.The components are made to standard specifications with a 77mm bore and 16mm steel piston pin for direct replacement.The materials meet 105℃ content requirements, indicating suitability for operating conditions.