I was able to do some more research on this and this is what I found. The gas cap that has the single dimple in the top center is the sealed cap. The gas cap that has the 3 interlocking circles on the top is the vented cap. Both caps have the same ball style check valves in the top to keep...
My son has the same kart, except with reverse. I've been chasing an issue with it dying after about 40 minutes of trail driving for over a year now. When it happens, I let it for a while and then kart will start up and run perfectly fine. I wasn't aware of the gas cap design change. Do you...