OOPS ! I thought I posted it in the wanted section. They were made in Detroit. It was a joint venture with Maico engines and Engray Manufacturing of Detroit. They were bad dudes. 175 CC. I have a NOS maico engine looking for the Bike to make complete. Bring on the Hodaka's boys. It is currently mounted in a 1967 Ruttman/CCS NOS Washer frame. Thanks Motra for the pic. :thumbsup: