Its my first bike got it from a guy it wasnt running but would start it had a fuel delivery problem i went through the whole fuel system carbs fuel pump filter vac and fuel line and now it wont start when i first go out in the mourning to try to start it on the first push of the button it will backfire but not start second push of the button it will start but it struggles like it not getting gas and dies after about 10 or 15 seconds after that it won't start at all til the next mourning and does the same thing all over again. What could it be?
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