Originally Posted by AgentDavis
Can you mount an engine on any bike, or does it have to be a certain frame type?
You can mount a engine on any bike depending on how much fabrication and money you want to put into it.
But if you are looking at the engine kits (Center Frame) from China here is a link 4 ya...http://motorbicycling.com/f3/what-ki...mmend-510.html
You could also go with a rear or front mount engine which will fit on a lot more bikes.