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    low vacuume test results for fuel pump

    I have a 76 merc 650 that has fuel starvation I did a vaccume test and only got to about 1.5in which is below standered of about 2.5in. but was able to Idle fine and run in low throttle but as soon as I put it in High throttle it dies. the thing is is that I have replaced the fuel pump daiphram...
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    76 Mercury 650 dies at high throttle

    Please help this motor is going to be the death of me, When out on the lake it will idle and go around the lake at low speeds all day put as soon as I try and go faster then say 10mph it dies but the kicker is is that if I pump the primer bulb it will run great meaning its obviously a fuel...
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