Hey all, found a little 650 v twin engine off a Hyosung, and since a decent harley v twin engine is too expensive, Has anyone built a bike with a similar engine? 

 

Cheers 

welcome to the forum, although that's usually said in the Introduction thread.
Have you ridden the 650 hyosung? do you really expect another frame with that motor and gearing to ride much different?
There's a reason why people choose to pay the price to go with the Harley V Twin or similar motor.