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Old 06-01-2021, 04:31 AM   #1
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Default Fuel overflow?

I own a 2005 1900SR3 that I just picked up in March. Every time I go to put fuel in, it will overflow out the fill port if I try to put more than about 1 gal in at a time without stopping to at least 10 seconds in between. I see that the tank has an air vent hose that comes up to where the fill port is. I see the little hole at the top, under the cap, where the air supposedly vents as gas goes in. Is this overflowing a common thing? Should I be looking for a clog in the vent hose? Is there a valve to the vent somewhere I should be opening first?
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Old 06-01-2021, 11:28 AM   #2
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I would check for blockage in the vent line. Bugs love to build nests in the vent.
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Old 06-01-2021, 06:38 PM   #3
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Yup, clogged vent line.
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Old 06-02-2021, 03:12 AM   #4
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Thanks. Iíll try pulling the line and seeing if thereís a clog. Looks fine from the outside.
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Old 06-09-2021, 12:52 PM   #5
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I have same issue on a 1997 2400 SCR - where the vent line is located?
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Old 06-09-2021, 06:55 PM   #6
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So the vent line is right next to the fueling line. They both run from the gas tank to the fill port on the side of the boat. I took off the gas fill port cap, disconnected the vent line from the tank, and blew some compressed air into it. Air went through just fine.

I did notice that the fueling port has a little black plastic cap inside of it, where the vent line connects. I'm not sure what this little cap does, but it can move in and out (open and closed?) if I pull on it with a bent paperclip.

Next time I go to fill my tank, I'm going to make sure that cap is pulled out and see what happens.
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Old 06-09-2021, 10:51 PM   #7
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Quote:
Originally Posted by Marcoz9 View Post
I have same issue on a 1997 2400 SCR - where the vent line is located?
The vent for your boat is on the starboard side near where the windshield ends but half way up the hull.
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Old 06-09-2021, 10:52 PM   #8
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Quote:
Originally Posted by SgtYamm View Post
So the vent line is right next to the fueling line. They both run from the gas tank to the fill port on the side of the boat. I took off the gas fill port cap, disconnected the vent line from the tank, and blew some compressed air into it. Air went through just fine.

I did notice that the fueling port has a little black plastic cap inside of it, where the vent line connects. I'm not sure what this little cap does, but it can move in and out (open and closed?) if I pull on it with a bent paperclip.

Next time I go to fill my tank, I'm going to make sure that cap is pulled out and see what happens.
This is similar to your cars vent in the fill neck.
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