Does my motor have a fuel pump???

[Vanard]

I have a 140hp mercury inline 6, old school, 70's style...
I love the motor though.
Anyway, I have replaced all of the fuel lines, gas, primer bulb, and rebuilt the carbs. I didn't notice a fuel pump on it though.
Is the gasoline for this motor vacuum fed???
If I do have a fuel pump, please help me to locate it...thx

 

[WillyBWright]

Re: Does my motor have a fuel pump???

There might be two. Follow the fuel line from the connector. The first thing it should come to should be a fuel pump and if there are two, the second thing too.

 

[Vanard]

Re: Does my motor have a fuel pump???

Ok I followed them but they go to two differant diaphrams...

When I unscrewed what they went into, they kind of look like triangles...

Those are my fuel pumps???

I would be expecting more....Extremely small

 

[Silvertip]

Re: Does my motor have a fuel pump???

So what were you expecting?. You are not feeding a monster V8 engine with a four barrel carb. The fuel pump works of pressure/vacuum pulses to pulse a diaghram. Check valves in the pump allow the suction side of the pump to draw fruel from the tank. The pressure side forces it to the carb. Very simple and very effective (and very small).