Thread: gas tank rust
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Old 06-03-2018, 10:26 PM   #12
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Join Date: Jan 2012
Location: Petal,Ms.
Posts: 413
Re: gas tank rust

Originally Posted by greasemonkey View Post
I've gone through this recently with a motorcycle gas tank that had sat over winter with water in the tank. I tried oxalic acid and wasn't impressed. I ended up using Ospho (phosphoric acid) and water solution and let it soak a few days. I threw some old bolts and nuts in it, shook it violently, rinsed it and it looked brand new inside. Bike guys swear by Red Kote, so I used that for the liner. It is inexpensive and it is ridiculously easy to use. This is going to be my go-to procedure from now on. Cheaper than buying a new tank as long as you are willing to put in a little work.
I used some Red Kote on a tractor tank 4 years ago and its still holding up. Great stuff and simple to use.
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