Welcome to the forum! The so called 80 cc is really about a 68cc and is currently street legal. While it is a fine motor and the most popular so far it is some what under tuned. That said there is a myriad amount of routes you can take.
Use our search engine for all your questions.
In the center of the forum where it says Google Custom Search toward the top type all you subjects of interest there. For a particular subject where you just wanna pull up one thing put like ''schwinn stingray'' on each side of the subject cheers!
This is without the ''''
schwinn stingray - Google Search