fuel pump on a inline six

[big ken]

hi the orginal fuel pump on my 250 inline six had a little hose from pump to carb, the one on used motor dosesnt. what is that hose for? and do i even need it? also i installed a nice big fuel filter water seperator on engine, so can i just take the little one out of fuel pump? thanks ken

 

[frostywalrus81]

Re: fuel pump on a inline six

The hose you are talking about is use for just in case the diaphram inside the pump fails so it will send the fuel to the carb instead of the hull of your boat to prevent BIG BOOM!!! I didn't have one on my last pump for my 165hp but I changed to pump to one that does have one just for extra safety. If I were you and if the old pump works, spend the extra $1.50 to get a gasket and put the old pump on the new motor. Good luck and keep me informed on your progress with this motor. I'm a big fan of the 165hp Inline 6.

 

[big ken]

Re: fuel pump on a inline six

The hose you are talking about is use for just in case the diaphram inside the pump fails so it will send the fuel to the carb instead of the hull of your boat to prevent BIG BOOM!!! I didn't have one on my last pump for my 165hp but I changed to pump to one that does have one just for extra safety. If I were you and if the old pump works, spend the extra $1.50 to get a gasket and put the old pump on the new motor. Good luck and keep me informed on your progress with this motor. I'm a big fan of the 165hp Inline 6.

thanks for the info. man i didnt realize it was that important! im changing it asap. i had the boat out once at the end of last season[with the new motor] for a big heavy boat it flys. just out of curiousity why do you think the new[used] motor fuel pump didnt have the fitting for the hose? thanks ken

 

[frostywalrus81]

Re: fuel pump on a inline six

Was the new motor older than the old one? They stopped using the 2 port Fuel pump in 78. That's when they came out with the 3 port one. If the new motor is that old that is probably why. If it's not then most likely the person you got it from replaced the pump with the older style pump not knowing the affects.

 

[big ken]

Re: fuel pump on a inline six

Was the new motor older than the old one? They stopped using the 2 port Fuel pump in 78. That's when they came out with the 3 port one. If the new motor is that old that is probably why. If it's not then most likely the person you got it from replaced the pump with the older style pump not knowing the affects.

actually the used motor was a year older so im sure thats it. motor was completly rebuilt. im hoping to get alot of chesepeake bay time out of it. thanks ken