Gas Cap problem

[wheeler]

My gas cap on my six was bad so I went to Fleet Farm and bought a new one. I didn't drive my wheeler for about 2 weeks. I went out riding and got about 2 miles away back in the woods when the machine died. I did all the checks to see why it didn't run. Without going into detail on all the things I did and fully knowing I wasn't getting gas because I had to choke it to try to get it to run, I turned the gas cap loose and heard a whoosh. So, with further testing and running it. In the short time I tested it. It ran good without the gas cap on. A brand new gas cap and it's not venting. Go figure. Something to keep in mind if you change a gas cap out for a new one. I don't know if there is anyway to test the caps when you get a new one, but I'm returning mine if they will take it back (gas on it now) and go to a parts place to get one.

[Twizted1]

My cap let a little gas out when side hillier right on a full tank or doing doughnuts on a full tank. I need a new one but wasn't sure if I had to order a special one from a dealer. And just haven't really worried about at this point. But will soon. Thanks for the info.

[Mike]

Some of them have adjustable vents on the top. If that is an option on yours, did you loosen the vent to allow some air in?

[wheeler]

This one did not have the threaded screw type top. I believe all gas caps have some sort of vent system, otherwise you end up with a vacuum issue.