"Neon John" <no@never.com> wrote in message news:qvq8t2d0ma6126136ufj2tcmvet7vmhfeh@4ax.com... Now that's interesting. I have an EX350 and it is a 2-stroke. Can you tell if the engine is honda-made or purchased from a third party? Honda usually casts their name in the crankcase plus the bolt boss design is distinctive. John According to this link, the EX350 *was* a