Hello my name is Blake I just got into motorized bikes and bought a 2 stroke 80 cc kit off of eBay it will be here on Monday what are some thing that I should know to make this a cool hobby 
Welcome to the forum. You've found the right place to help get you on the road with a minimum of problems.
It would be difficult to summarize "what you need to know" in one reply. We don't know your mechanical skills or experience with engines, tools or fabrication. My advice would be to use our 'Search' feature and look for answers to questions you might have or subjects you'd like to know more about. Simply type a keyword or words into the search and you'll have plenty to read on any subject relating to motorized bicycles.
If you have a specific question that you can't find an answer for we're always here to assist you.
Good luck with your first project and keep us posted on your progress.
Tom
It would be difficult to summarize "what you need to know" in one reply. We don't know your mechanical skills or experience with engines, tools or fabrication. My advice would be to use our 'Search' feature and look for answers to questions you might have or subjects you'd like to know more about. Simply type a keyword or words into the search and you'll have plenty to read on any subject relating to motorized bicycles.
If you have a specific question that you can't find an answer for we're always here to assist you.
Good luck with your first project and keep us posted on your progress.
Tom
Welcome to the forum.Just read some on this site every night and you will figure out how you want to do it.