Hey I've been running my XB for some time now and I'm starting to notice that it's vapor locking quite often now and is getting harder to start at times should I upgrade the carb and or anything else I already have HPI filter kit I haven't changed the spark plug yet I think that's next but still that shouldnt be the problem it just seem after its run for a while it likes to act up anybody with some good info would be a big help thanks
