Ok, i don't get this. I've had my saw since 92 with the same fuel hose. I probably just jinxed myself. Then there's the buddy of mine with a cheap one man auger and his fuel hose rotted right off into the fuel tank. I think it's the hoses that have change, for the cheaper, and that's one of the big problems we have to deal with. I think hygroscopic effects of the ethanol contribute to carburetor issues so i use fuel supplements to hopefully stave off those effects.