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Buck12

Gas bulb problems 99 75hp Merc

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I have a 99 75hp tiller Merc that often dies at slow speed or trolling. The gas bulb seems to lose pressure and if I pump it the engine will continue to run. This seems to happen every 20-30 minutes. I did change squeeze pumps but then that pump lost pressure when accelerating. Anyone got a solution?

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Maybe bad gas lines allowing pressure to ecscape?

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You may wnat to check your fuel pump.. The gaskets get old and need replacement

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You might want to check for vacuum leaks from the fuel pump all the way in to the gas tank. if it's sucking a little air, the fuel pump is losing it's prime.

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