Help Required

[mholc123]

I have got rid of the Vacumn pump on my Carbed monster and installed an electric pump from a Yamaha FZ750. My problem is that I am experiencing fuel overflowing from the carbs. Can anyone tell me how I can wire in a resistor to take some of the power away from this pump, or is their some kind of in line pressure switch that can be fitted. I also have solid state pump but again I am experiencing the same issue.

[Pomp1]

is not just about a pressure switch, I think you should have a return pipe.

[Dukedesmo]

I wouldn't recommend trying to slow down the pump.

Unless you can fit a return loop to the tank then maybe fit a regulator, something like this? http://www.ebay.co.uk/itm/Sytec-Adjustable-Fuel-Pressure-Regulator-6mm-Carb-/110604005383

[mholc123]

Thanks for the quick reply - That pressure regulator looks promising, I am first of all going to try putting a tpiece on the inlet pipe and a t-piece on the outlet and join them together, hopefully then the fuel will recycle in a loop.


17001

[Pomp1]

did you have a problem with overflowing before as well?

[mholc123]

No - the problem is because of the pump

[Kato]

That is because you want no more than 3 psi going to your carbs, what pressure is the FZ pump rated at ???

[Dookbob]

What made you decide to remove the vacuum pump in the first place? All they need is a new diaphragm once every 20 thousand miles or so.