2Pcs Cylinder Water Jacket Rubber Plugs designed to fit Banshee or Blaster YFS200 YZ250S YZ 250 570 Exciter.These rubber plugs are used to seal the water jacket ports on cylinder heads during engine assembly or repair.The set includes two plugs suitable for use with compatible two-stroke motorcycles.The plugs help prevent coolant leakage and proper cooling system function.Made from flexible rubber material to provide a secure fit in the cylinder casting.Intended for replacement or maintenance applications where plugs may be damaged or missing.