I was riding slow following my son thru tight narrow trails. Its hot and the BRP starts boiling over. The bike is uncorked and runs slightly rich. Running rich has kept the bike from over heating in the past. Here is the strange part. When I noticed the overheating,(boiling sound and bubbling in overflow tank) at a rest stop, fluid is coming out the overflow tube under the bike. I assume that its coolant, it's not coolant, its gas. The float stuck open at the same time. No fall was involved! Bike is 6mo. old. So I shut off the gas and kick and kick until I get it to start with the gas off. Then cut the gas back on and it has not repeated the over flow of the float. I got out ahead of my son riding faster to get more air over the radiator.(Another rider follows my son) No more overheating or stiking float. Then I drop the bike in some sand and the flooded starting routine has to begin again. The stock card has to go. Edelbrock must be purchased.I have already ordered a 1.8 radiator cap. I had the newest bike on this ride and had all the problems. Riding slow I should have expected overheating. The sticking float has me baffled, but the stock carb will be replaced with a Edelbrock. I had been holding off on carb replacement because I don't drop the bike often. But I am now convinced that the stock carb is a P.O.S.