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Started By
Message
Water in Gas Tank
Posted on 3/12/14 at 8:22 am
Posted on 3/12/14 at 8:22 am
So I bought a new " to me" boat this weekend- 2004 sterling flats 90 yamaha. I took it out in leeville this past weekend and i began having problems with water in the gas. I unhooked it from the motor and pumped the ball until the gas looked clean again. This happened 3 times.
What should I do? It has a 35 gallon fuel tank.
Put some sort of additive in the fuel?
Empty tank- its in the floor in front of the console, not sure how difficult this will be.
Fill tank up and just go run it, empty out fuel water seperator every 30 minutes?
][/URL]
What should I do? It has a 35 gallon fuel tank.
Put some sort of additive in the fuel?
Empty tank- its in the floor in front of the console, not sure how difficult this will be.
Fill tank up and just go run it, empty out fuel water seperator every 30 minutes?
][/URL]
7
Posted on 3/12/14 at 8:26 am to Elusiveporpi
I would drain and add new gas...
Posted on 3/12/14 at 8:36 am to Elusiveporpi
nice looking boat. how long is it?
Posted on 3/12/14 at 8:37 am to wickowick
You can try using heet fuel additive.
But i would remove sending unit or inlet hose, then pump out.
If you can removw tank i would and inspect for holes rubbed in it. thats a lot of water to fill the seperator that quickly.
But i would remove sending unit or inlet hose, then pump out.
If you can removw tank i would and inspect for holes rubbed in it. thats a lot of water to fill the seperator that quickly.
Posted on 3/12/14 at 9:05 am to greasemonkey
Siphon that gas out man.
Posted on 3/12/14 at 9:09 am to Elusiveporpi
I got some stuff from ascension marine last year that was a fuel additive that is supposed to be able to treat large amounts of water. It said add 1 ounce for every 2 gallons of fuel. Dude told me just to add the whole bottle. Worked like a charm. Year before when I had a ton of water from a rotted gasket I syphoned almost all the fuel out and added 2 bottles of heet and filled it back up with gas. As soon as I would burn a quarter tank, I would top it back off with gas. Did this multiple times until I thought that there was very little water content in the tank.
Posted on 3/12/14 at 9:11 am to Langston
tip the boat up on the trailer and siphon the bottom of the tank out. Let it settle for a little while before you do it.
the water will be on the bottom.
then put heet in it.
the water will be on the bottom.
then put heet in it.
Posted on 3/12/14 at 9:11 am to Elusiveporpi
Siphon water out. You should have access to your fuel tank sending unit under your center console. Remove sending unit and siphon out water. Depending on your tank and angle, you may be able to get most of the water out without siphoning the gas also. Water is heavier than gas and will be on the bottom of tank. Siphon into a 5 gallon water jug to monitor how much water you are getting vs gas. Good Luck!! 
PS, a primer bulb and fuel line to siphon with works great to prevent you from drinking gas
PS, a primer bulb and fuel line to siphon with works great to prevent you from drinking gas
Posted on 3/12/14 at 9:12 am to Elusiveporpi
Buy a siphon tube. Siphon the gas out.
Nice looking boat.
Nice looking boat.
Posted on 3/12/14 at 9:23 am to wickowick
quote:...and add a water separating filter.
I would drain and add new gas...
Posted on 3/12/14 at 10:01 am to mack the knife
Its an 18' with a 7'2" beam. I sounds like i should get to pumping it out... guess thats what im going to do.
Posted on 3/12/14 at 10:06 am to Elusiveporpi
Also, Im in limbo about if im turning the right prop. I didnt look at the size yet, but wide open i hit 40 at 5100 rpm. If I raise the jack plate to cavitation, the rpms shoot to 5900-6000. Max rpm for the motor is 4500-5500. should I be running a smaller prop, and get the rpms up, a larger prop and let the mootor cavitate? Is that even healthy for the boat......
Posted on 3/12/14 at 10:07 am to Elusiveporpi
Yeah, you need at least two inches in the smaller direction.
Posted on 3/12/14 at 10:17 am to Elusiveporpi
i won a gift certificate for a power prop. i called them and discussed what i had vs what i should have. they were VERY helpful and i improved boats performance
Posted on 3/12/14 at 10:25 am to Elusiveporpi
Does your boat have a water pressure gauge installed, If not I would highly recommend you add one.
Posted on 3/12/14 at 10:28 am to hogdaddy
Siphon out as much as possible. Refill with fresh and additive of your choice.
Posted on 3/12/14 at 10:35 am to mack the knife
I'd would recommend Power Prop, I have two props made for my boat from them a mud prop and a performance prop.
Posted on 3/12/14 at 10:35 am to hogdaddy
It has one, not working at the moment. I'll have to work on that. And i was just thinking, I should make sure im running pure gas no water, before I start thinking about prop changes.... I may not be making peak power with the water/ gas mixture i have
Posted on 3/12/14 at 10:45 am to Elusiveporpi
Does your water pressure gauge have a pickup or is it fed from the small hole in front of the lover unit? The small hole gets clogged with al kinds of crap. I use a small drill bit to clean them out, works great.
Posted on 3/12/14 at 10:51 am to TexasTiger01
Just curious, what's the need for a water pressure gauge?
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