Re: Jumping In!
Welcome Steve. Take your time and read all you can here. There is a world of information, knowledge and experience to help you through your first motorized bicycle project.
There are plenty of 2 and 4 stroke builders who will answer any question you might have.
Good luck and keep us posted on your progress.
Age and Treachery Will Always Triumph
Over Youth and Skill & "Charlie Don't Ride"