about to buy a 09 rzr 800

Hey guys. I just got back from checking out a 09 rzr 800. When i first started driving i caught a quick smell of gas. I checked everything and there were no leaks good oil, i checked the belt and the starter, no problems with any of them. I’m wondering if any of y’all would be able to pinpoint this and if its something to worry about. It was maybe for 5 seconds of smelling it.

thanks