Hi,
look what i found on the net
I hope the brakes have been upgraded
http://news.motorbiker.org/blogs.nsf/dx/600cc-yamaha-engine-with-a-vespa-scooter-wrapped-around-it.htm
Modern Vespa is the premier site for modern Vespa and Piaggio scooters. Vespa GTS300, GTS250, GTV, GT200, LX150, LXS, ET4, ET2, MP3, Fuoco, Elettrica and more.