Well, here's one place they ended up.
(//%5BIMG%5Dhttp://i303.photobucket.com/albums/nn155/OhioTed/Hero-enginedAprilia.jpg)[/img]
Ted, there is one on Ebay now in a CanAm trials bike (Hiro)
I remember seeing an italian TGM 125 from the late 70's in a magazine. It was said to be the first 125 with 30 HP and it looked so cool with a slim tank and huge rear sprocket. That was my dream bike for a while back then.
(http://www.motorspecial.it/sezioni/moto_e_la_storia_del_fuoristrada/moto_tgm_cross/125_tgm_05.jpg)