Motorcycle Engine Dune Buggy Frame Blueprint Building First Dune Buggy/go Kart, Need Help?

Building first dune buggy/go kart, need help? - motorcycle engine dune buggy frame blueprint

My friends and I really like to build a buggy / go kart together. We do not know much, but you learn on the street. We want to make it cheap, but still a 500cc motorcycle engine to be used. I ask myself: How can we primarily on the design of it (or it is a good package on the Internet for unique and all that)? What would be a good engine? Is it difficult to use a motorcycle engine? What would be the price for such a project?