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my motor will not run steady when under load it acts like the fuel pump is not keeping up with it but at low speed it seems to be fine.
I am not sure if it is a vacume problem or a pump going bad?
maybe the fuel filter is to small and won't allow enough fuel to get to the pump?
help Please
Check all fuel line connections from tank thru to the carbs and make sure tank is venting correctly may be getting air in the lines. Hi-speed jets in the carbs may need cleaning.
Make sure the screen in the bottom of the pick-up tube of the gas tank is clear. Sometimes debris can accumulate, resulting in a flat bulb and fuel starvation. There may also be a check valve on the tank that can stick. Good luck.