Force 125 fuel problem

[iwant2befishin]

Here is where we are today, I replaced the fuel lines and bulb. Still nothing. I can choke it and it starts for a second and then dies. I can do that all day. I remembered if another guy had asked me if I sprayed wd40 in it and I said no not as of yet. So I tried it and BOOM it started right up. So where does that leave me.

 

[iwant2befishin]

I went and got some tru fuel that was 100% 50:1, I am trying to eliminate any possibility. I unplugged my main fuel line from the tank and feed it into the tru fuel and noticed a major difference (I will be cleaning the tank ) but while it was getting the crappy gas passed and new gas in it - it would stay running for a few. Then I noticed that the bulb wasnt staying hard. Is it suppose to do that? Because I could prime it back up and it was good until it ran dry again. bulb or fuel pump????

 

[Tassie 1]

You probably need to list all the "work or things you've done " to it up to now,

no-ones memory is that good.

 

[SkiDad]

it could be that your idle is set too low. I also would not leave those clear lines on there. Watch Frank's video at the top of this forum.

 

[jerryjerry05]

The squeezie's only job is to draw fuel from the tank.
When it's drawn sufficient fuel to fill the lines and bowls, it's supposed to get hard.
That signals the systems primed and ready.
Once the motor starts it's job is done.
It shouldn't stay hard.
If it doesn't get hard? then the diaphragm in the pump could be bad?
Or the ball's defective or you have a bad fuel line connector?

The tank, if it has any water then drain it.
No amount of "dry gas" will help.
Been working on a friends boat, the alarm's been sounding off.
We first thought it was overheating, not! Thanks to the heat gun I got we knew it wasn't hot.
Then I looked at the fuel filter on the motor, unplugged the alarm connector and the buzzer stopped.
Pulled the filter, full of water.
Started pumping fuel and eventually got almost 13gal of water.
That's a LOT of condensation????
The boats set for years with little use.
The water ruined his high pressure pump $500

You might be getting just enough gas in the carbs to start for a second then the water shuts it down.

Get a 6gal tank and hook it up with fresh gas/oil.
Then if it doesn't stay running? check the diaphragm in the pump.

 

[iwant2befishin]

the tasks I have completed as of yesterday, compression, good. spark, good. fuel lines (yellow only for testing purposes) so so. I work for toyota and I am going to being my boat this weekend and drain the tank and remove it and see what is going on. Also at that time I will check the vents for any clogs. Now the fuel pump can be rebuilt correct?

 

[Jiggz]

I went and got some tru fuel that was 100% 50:1, I am trying to eliminate any possibility. I unplugged my main fuel line from the tank and feed it into the tru fuel and noticed a major difference (I will be cleaning the tank ) but while it was getting the crappy gas passed and new gas in it - it would stay running for a few. Then I noticed that the bulb wasnt staying hard. Is it suppose to do that? Because I could prime it back up and it was good until it ran dry again. bulb or fuel pump????

The primer bulb shouldn't stay hard or firm while the motor is running nor it should collapse. Personally, if you have to squeeze the primer bulb everytime to keep it running, it's a good indication you have a bad fuel pump.

I have always recommended installing a clear fuel filter, i.e. Fram G2 between the fuel pump outlet and the carb inlet. It really is very helpful in diagnosing fuel related problems. And the best part, this fuel filter already comes with hose clamps for less than $5 and can be installed in 5~10 mins. Just make sure you install it with the correct orientation.

I can see you already have a filter installed except it is not the clear type. The reason for the clear type is to make sure you can see if fuel is actually flowing from the fuel pump to the carbs. Filtering is just secondary.

 

[Tassie 1]

Did you change the fuel pump diaphragm, as was suggested in the other earlier posts?

it is easy to check, undo one screw and remove the cover.
Your motor is over 30 yrs old, could even be the original, change it anyway
they are cheap

Has one of those toyota auto workshop employees had a look at the pump?

 

[jerryjerry05]

Unhook the line going to the pump.
Squeeze the ball, pumping fuel into a clear jar.

 

[iwant2befishin]

Ya I am looking online right now for a fuel pump rebuild get. It seems pretty basic. Last night while messing with it I noticed it had a pin hole leak in it, so that will get replaced tonight.

 

[iwant2befishin]

Hey everyone so today I ordered all the parts for a rebuild kit for the fuel pump. I went ahead and picked a new bulb which wasn't very much. I got it installed and still having the same issue. I got the back seats out to uncover the gas tank to get ready to drain it on sunday. I see the filler neck and then coming out is about 3 to 4 lines that I don't have a clue where they go. This is a 95 Cajun 1850. Where would I find the info on that

 

[Jiggz]

So have you received and installed the new fuel pump diaphragm? If not, then let's wait for that. And hopefully, you already switched to the clear fuel filter so you can do a better diagnosis.

 

[jerryjerry05]

You said:

. I see the filler neck and then coming out is about 3 to 4 lines that I don't have a clue where they go. This is a 95 Cajun 1850. Where would I find the info on that ​

Something like that post a pic??
Contact Cajun with your hull ID# and they should be able to explain.

Post a pic of the filler neck???
Usually it's one line to the motor and a bigger line for a vent.