What do you do when you have a Vespa 50 Special scooter lying around doing nothing, and a spare Yamaha FZR600 engine gathering dust? One is a 50cc scooter, the other a powerful 600cc motorcycle engine…
That’s a dilemma that someone in Italy had, and he solved it by taking the Yamaha engine and wrapping the Vespa scooter around it. Mind you, it’s not a static scootBike, but it really works
Source:
https://news.motorbiker.org/blogs.nsf/dx/600cc-yamaha-engine-with-a-vespa-scooter-wrapped-around-it.htm