Will a 150cc 4wheeler fit me?

ok i way 300 and im 6'2 the 4wheeler is u know a 150cc yamaha somthing max and it is lifted up a little will it pull me i want to know cuz i rode a 110 lifted just fine but that is my buddys and the 150cc going to be mine if it will carry me cuz my stepmom dad owns a 4wheeler,gokart,lawmower,and stuff and he said if i get the 150cc working again which my dad will cuz it is just a wire prob and the 4wheeler looks like a 250 to me but it says it and 150 and i got questin what is the 4wheeler really calledthe headlights are on the thing i cant think of the name it is a grill guard i think