2 stroke, oil injected, short shaft. Carbureted but looks like electronic ignition. I showed the yammy guys and it was tough to get a concensus on the year. We are thinking late 80s. The number on the freezy plug looking thing is 103785. 6L2-Y1 stamped on the block. Teikei carbs. Any help would be appreciated. Workin on a pic to upload but my internets giving me hell atm.