Cleaning Gas Tank?

[yler4cy]

I am helping someone get their 2006 Yamaha G22 cart up and running. I have removed the carb and am ready to put a new one on. The tank has what looks like stagnate gas in it that had hardened. I got most of the yellow stuff out of the tank, but there is still some in there. I have tried blowing the tank out as well as purging it with water. Any recommendation on how I can get the remaining yellow chunks to break down so I can get them out?

[JPonLKN]

A can of carb cleaner or parts cleaner, a metal coat hanger or other bendable but semi-stiff wire, and a piece of a scrub pad attached to the end of the coat hanger. You can bend it around and get to all the nooks and crannies. I've done a couple that had what felt like tree sap in them, but it breaks down and comes out. If it is just in the bottom, a pressure washer will work, just need to dry out the tank well.

[yler4cy]

Originally Posted by JPonLKN

A can of carb cleaner or parts cleaner, a metal coat hanger or other bendable but semi-stiff wire, and a piece of a scrub pad attached to the end of the coat hanger. You can bend it around and get to all the nooks and crannies. I've done a couple that had what felt like tree sap in them, but it breaks down and comes out. If it is just in the bottom, a pressure washer will work, just need to dry out the tank well.

Most of it is loose, I just can't get it to come back out of the hole ha ha. I have where the gas cap and where the pickup tube open, as I am going to put new on it, but am struggling to get the rest of the stuff our of there. That's why I was hoping to break it down with some type of liquid to get it out of there.

[cbdeese61]

I'm not sure how big the hole is in the tank but can you get a vacuum hose in it? Maybe tape a smaller hose to the vacuum?
Just a thought

[yler4cy]

Originally Posted by cbdeese61

I'm not sure how big the hole is in the tank but can you get a vacuum hose in it? Maybe tape a smaller hose to the vacuum?
Just a thought

I may have to try that and see if it works. It's weird cause I got a good majority of the yellow chunks out, but the ones did not come out are more of a powder, but they don't dissolve in water. It is weird. I actually had someone tell me to try kerosene.

[JPonLKN]

Originally Posted by yler4cy

I may have to try that and see if it works. It's weird cause I got a good majority of the yellow chunks out, but the ones did not come out are more of a powder, but they don't dissolve in water. It is weird. I actually had someone tell me to try kerosene.

Do not use a vacuum! While with the age, there shouldn't be any volatile gas or fumes in there...but if there is, you will likely get a big boom at the vacuum motor.

Upside down and shaking it till the pieces get near the cap. Tanks are easy enough to remove

[txtimetravler]

Marbles to break it up more?

Or tank rust remover. Seems like they sell a product to clean gas tanks.


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[DustyRoller]

Chain link of appropriate size and carb cleaner. Seal up all ends and shake rattle and roll. Dispose of solvents appropriately.