I am restoring an 82KX250B1 and picked up a brand new NOS cylinder for it. So, naturally I'd like to use an NOS piston (I have located one) but have not located NOS rings for it yet. There are plenty of Tecate and Wiseco rings out there, but I need to know if it is wise to use these rings with the stock piston and cylinder. Any comments appreciated, especially if you know where I can find an OEM ring. I am sure it is possible rings from later year KXs may work, havent figured that out yet.