Welcome Kymco Owners!
whoops, had to look that one up, yes, it's a 2 stroke...so you don't have valves in your engine!
head gaskets are usually some composite of metal and gasket material, as opposed to all the other gaskets in the engine. A head gasket is a specific item to an engine..OP should buy the OEM gasket. See 12251 in pic
Finally, someone gives correct information