Help fix my motor (Page 2): Make sure the gas cap is loose, gas lines could be clogged up with deteriorating...

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Help fix my motor

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Mar 9, 2020 17:27:38 #

Mudfish2335 Loc: Charleston

Make sure the gas cap is loose, gas lines could be clogged up with deteriorating,

Mar 9, 2020 17:43:52 #

Ibclyde Loc: Cloverleaf Lakes Wisconsin

saw1 wrote:

I didn't know you could just replace the diaphragm. I think mine is just stretched out to much. It works fine in the morning when it's cold but later when it warms up it looses it's vacuum in the bulb. Especially if I want to go WOT. If I go slower it does better, so I know it's the fuel pump. It's a 2003 60HP 4Stroke Merc.

Is it a fuel injection model?

Mar 9, 2020 17:45:27 #

Ibclyde Loc: Cloverleaf Lakes Wisconsin

Marieshay01 wrote:

Anyone want to help me fix my 150 mercury on my bass boat doings rebuild 1984 ranger for free fishing trips when boat is done. Motor starts but shuts down right away like sucking air? Fort Hood area in Texas

Is it fuel injection?
As in the XRI?

Mar 9, 2020 17:57:40 #

Hammers

Hammer from florida change your fuel line and bulb this take care of problem.

Mar 9, 2020 18:57:42 #

Random Loc: Sandy Utah

plumbob wrote:

How old is the squeeze ball? If the check valve inside is shot it lets the fuel back to the tank.

You may want to put a fuel filter in your fuel line after the squeeze bulb, ethinal fuel will deteriate the inside of the fuel line and bulb (my experience).it would be nice to hear what you find

Random

Mar 10, 2020 11:24:10 #

Girlsfish2

I never use gas with ethanol on my Merc. It’s really bad for them and gives you numerous problems on down the river.

Mar 11, 2020 07:28:46 #

fishrmans Loc: Waushara Cnty Wisconsin and Port Charlotte Fl

I have had to replace the check valve on my fuel line going into my fuel tank on two different boats.

Mar 11, 2020 09:43:13 #

Ibclyde Loc: Cloverleaf Lakes Wisconsin

If it’s the 150XRI it is a fuel injector motor
There are 3 separate fuel filters
The main one is a moisture separator easy to get at and clean
The toughest one is for the fuel injectors
A small screen but needs to be fixed by a service technician because it is tough to get at. Can’t access it unless you go into the main fuel module
I have this motor
1986 model
Still going strong!

Mar 11, 2020 09:46:26 #

Ibclyde Loc: Cloverleaf Lakes Wisconsin

Another thing
If the squeeze bulb remains hard it probably gonna be good
But if goes soft its an air leak or the bulb itself
That’s more than likely the issue if motor conks out

Mar 12, 2020 15:04:28 #

ricky risteen

Before you do anything to this motor!!! Check compression and Spark if this is good then check your fuel delivery.

Mar 12, 2020 18:32:08 #

Marieshay01

Thanks you all I will check these ideas out when I get home in April

Mar 12, 2020 23:11:57 #

Ibclyde Loc: Cloverleaf Lakes Wisconsin

ricky risteen wrote:

Before you do anything to this motor!!! Check compression and Spark if this is good then check your fuel delivery.

The motor runs for awhile before it dies out
Obviously there is compression and spark

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