Rusted Gas Tank

Mr_Green

New Member
So I finally got around to pulling my gas tank off my bike. I bought it off of my uncle 2 months ago and it has been sitting in my garage up until last week when I got my license. I have been riding the bike for the past week to let it run as my uncle put a new fuel pump in the bike before I bought it because It wouldn't start. The fuel Pump looked perfectly white and new still. However its very apparent that the rust in the tank is pretty bad. I bought the Kream solution and will be using that to treat the tank. Any tips on that would be great. Really not excited to do this whole process.

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Gary in NJ

Junior Member
Site Supporter
Get some ball bearing and some Muriatic Acid. Add about 1/2 gallon of the Muriatic Acid with the ball bearings and shake the tank every 30-60 minutes until clean (you’ll have to rest the tank in different positions). After it’s clean, you can coat it.
 

Mr_Green

New Member
Get some ball bearing and some Muriatic Acid. Add about 1/2 gallon of the Muriatic Acid with the ball bearings and shake the tank every 30-60 minutes until clean (you’ll have to rest the tank in different positions). After it’s clean, you can coat it.
Should I do this before using the kreme solution? its a 3 step process for rust.
 

Gary in NJ

Junior Member
Site Supporter
Yes, you have to rid the tank of rust, and then rinse it per the instructions on the sealing product.
 

Gary in NJ

Junior Member
Site Supporter
This very subject came up while talking to some friends over a beer or three. A few people were firm believers in a product called Evapo-Rust. Top off the tank and let it sit over night. Dump and rinse with water. Then pour in a container of rubbing alcohol to capture any remaining water and dump that. Fill the tank with fuel and you are good to go. If the rust is real bad, ball bearings are still a good option.
 

Mr_Green

New Member
The tank is currently drying with the liner solution. There is still some rust flakes within the sealer and the sealer is kind of pooling in a certain spot on the inside. It’s starting to dry and get tacky so I can’t move the clump at all. Is there anything I should do here? I attached some pictures where you can see some rust flakes
 

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Gary in NJ

Junior Member
Site Supporter
Once it pools into a semi-gel, there’s nothing you can do about it. It’s no big deal you’ll only loose a few ounces of capacity. However, if it forms a bubble, that bubble should be removed after it has completely dried. You can recover the spot location(s) but you’ll want significant overlap with the existing coating. You don’t want fuel to get between the metal and the coating, that may cause the entire seal to pull away.
 
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Mr_Green

New Member
Once it pools into a semi-gel, there’s nothing you can do about it. It’s no big deal you’ll only loose a few ounces of capacity. However, if it forms a bubble, that bubble should be removed after it has completely dried. You can recover the spot location(s) but you’ll want significant overlap with the existing coating. You don’t want fuel to get between the metal and the coating, that may cause the entire seal to pull away.
Gotcha, and are the rust flakes that are in the liner okay to be there? The liner has an anti-rust compound correct?
 
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