Dry the tank with your shop vacuum by switching the hose to the vacuum's exhaust and inserting into the fill neck.Remove the petcock so the moisture can escape.
Citric acid and very hot water on a hot summer day, flush several times with water, rinse with white spirit or alcohol, let dry in the sun, use the gas tank right away or rinse with petrol mixed with oil
I had heard of “flash rusting” but didn’t have that problem myself. Kept the tank full of fuel which helps protect it. Viewers should keep in mind that I was living in Cambodia at the time and was very limited with what treatments I was able to get my hands on. If I was doing it again in Australia I will definitely put a protective coating after I had treated it with the Apple cider vinegar. However I didn’t find this necessary in Cambodia
@@robertwebber3876 That's great man, it looks very clean, good job. Like the paintwork on the tank too 👌 I guess if yours hasn't rusted after all these years then I won't bother using the protective sealant. I have to do my tank next weekend.
That’s good to know but I did not have that experience. You just need to immediately fill with fuel once completely dry and as with most tanks you should keep filled with fuel to prevent rusting.
No sealing necessary. Filing with fuel is enough to stop any flash rusting. Best to keep fuel tanks full anyway to keep seals moist and rust from starting again.
I don't know if it will work with Varnish / Residue. Mine was definitely rust. I can't see that you would harm your tank any further by using vinegar and would be interested in how it goes but I'm not saying it will work but I'm curious.
@@robertwebber3895 After closer inspection i do have a tiny bit of rust on the weld seam running up the top of the tank and the underside of the filler neck, i might try this vinegar method but i have read about using baking soda to neutralise the acid not sure what this means i see you didnt use this?. i was going to put apple cider vinegar in and then flush out with fresh fuel, i dont want to put water anywhere near the inside. Do you think this will work? cheers
I’m not sure. I had no problem flushing well with water, draining well and filling with fuel. Can’t see how flushing with fuel would be a problem either. Let me know how you go
@@robertwebber3876 i've since read that the baking soda will apparently stop future rusting, something about neutralizing the acid. but to apply this it needs to be mixed with water. i may have to bite the bullet and do this. i suppose if i dry the tank quickly after to remove the moisture it shouldn't be a problem
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Jimmyzb36 I bought the bike from someone who had left it sit in his garage for years. Need quality fuel in your tank regularly and keep it full. Another option is once you have the gunk out to have a sealing treatment so it will never rust again but a few years on and it’s still clean as a whistle just by keeping it full.
Just like they One i'm work on it first i throw some bolts and screws with water y chemicals i let it dry take everything out now like a few hours ago throw 4 Big bottles of Apple cider vinegar lets See what we Góne get.
Hi, I have filled one side of my Harley gas tank with 8.25 ltrs of ACV but during this almost 24 hours, I see no reaction in the tank like in your video. Will leave for another 24 hours and then empty. The 2 halves of the tank are not in bad shape inside, but there is definitely some rust!
KPS ASAP not for the time the vinegar was in. I did take it out when flushing to ensure I cleaned the pump adequately. You need to be sure it is all dry before refilling with fuel .
That's a pretty good demo RW but you do it in 15 mins instead of a few days with a bottle of straight concentrated 'Muriatic Acid' from a pool shop which is what's in Apple Cider Vinegar that reacts with the rust, just make sure you rinse the tank out a few times with petrol afterwards.
Queenslander that’s awesome. I was living in Cambodia at the time and apple cider vinegar was hard enough to get but good to know about muriatic acid. Thanks for the tip.
+Robert Webber .. Cheers mate, I should have added it's pretty bloody strong stuff & actually a biohazard so make sure you use a mask & be gloved up. Maybe best to treat it like a blonde stunner with stage 4 Herpies otherwise you'll be wanting to give me a uppercut .. some people even dilute it down first with water but I suppose it depends on how bad the rust is.
I have used the white vinegar already and it works great, I derusted a couple of sprockets a moped stand and some nuts and bolts I still have to derust the fuel tank but it is cold right now so I am waiting until the weather improves hopefully next week.The key is time you have to give it time for it to work, if you don't have time or are impatient then you have to try some other product. I am doing the vinegar because it's cheap and is not as corrosive as some other chemicals. The apple cider also works the same, both have the same percentage of acetic acid wich is 5%I will let you know how the tank turns out.One thing I noticed is that a film/sludge develops and you have to brush and flush with water to remove the film. Cheers
@@robertwebber3876 both apple cider vinegar and white vinegar have the same amount of acetic acid and it is 5% for both it says so on the container. I am going to use the white vinegar, and it is a little bit cheaper than the apple cider vinegar. Good video very informative. Cheers
Any vinegar works. It does not have to be apple, that is just waste of money. Vinegar is cheap and easy to get, strong enough to slowly melt rust but not eat through healthy steel. Citric acid is another popular cheap choice.
