electric fuel pump helper....

[bob johnson]

Re: electric fuel pump helper....

Just for a heads up, the little pump on top of the VST is a vapor pump. If this engine is a 60 degree engine it has one.

The split hose you found is what operates the pump.

the motor is a 60 degree...but the hose that was split is the large 3/8th ID hose and it comes from the fuel pump.... down on the bottom

the vapor pump on the fuel componet bracket only has small dia hoses...that i can remember.

i rebuilt one a few months ago.. I had to buy gasket material and make some gaskets, because they dont sell parts for that pump...they seem to only sell the pump assy complete

bob

 

[clanton]

Re: electric fuel pump helper....

The large hose is the hose that operates the VRO/OMS/fuel pump. Making the gasket is fine if it works.

 

[Chris1956]

Re: electric fuel pump helper....

Sprky, Adding an Electric fuel pump to a carb'd outboard is a fire hazard, unless you can add a circuit to detect whether the engine is cranking or running and only then power the elec pump. If you do not have such a circuit, and the fuel line ruptures, the boat wil fill with fuel, until you manually turn off the elec fuel pump.

 

[bob johnson]

Re: electric fuel pump helper....

Sprky, Adding an Electric fuel pump to a carb'd outboard is a fire hazard, unless you can add a circuit to detect whether the engine is cranking or running and only then power the elec pump. If you do not have such a circuit, and the fuel line ruptures, the boat wil fill with fuel, until you manually turn off the elec fuel pump.

if you wired it through the key switch, then you should be good....unless the motor dies, but the key was still in the on position.

but what is the problem with the electric pump still pumping fuel when the motor dies...if the floats are adjusted...then the fuel flow is stopped once the float is raised...isnt it??

bob

 

[wilde1j]

Re: electric fuel pump helper....

Bob, that would not be an adequate interlock from a safety standpoint. An electric fuel pump with an outboard is very dangerous. An adequate interlock would have to be able to distinguish between cranking, running, off with key on, open line downstream of pump, etc. It's not worth the hazard to mess with.