In Germany there was a small firm that bought 126 bodies in, and then installed a 2 cylinder, 250cc two stroke engine as used in the 250T goggomobil called the Fiat 126 "figo"
I think it was done because 16 year old's could drive any vehicle under 250cc. 126fan have rebuilt this one

[youtube]http://www.youtube.com/watch?v=gJsg8dfnJ4c[/youtube]