I weigh like 220, I'm 5'10" and it's my first time riding. I don't necessarily need an actual bike, just what type. Should i get 2 stroke, a 4 stroke? 125 or 250? or something in between? it'll be my first bike, and i don't want to have to upgrade soon, the full bike that is. ANd then if you have a bike suggestion, have at it.