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
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.
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!
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.
I think before you do that you have to pour in hot water and detergent then let it rest and shake and rinse it to get rid of the petrol residue or the vinegar wont get to the metal so well. Use POR15 to seal it after.
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
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.
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 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
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.
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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 .
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.
@@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.
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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.
You can also use the vinegar to clean your rusted tools.
If you get all the larger chunks out it should still be good on fish'n'chips! 😁
Muriatic acid is hydrochloric whilst vinegar is acetic acid diluted to around 5%. The apple cider vinegar in my pantry is also 5% acetic acid.
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 like to throw a couple short lenghts of chain in there with the vinegar and use them to agitate the sides of the tank. really busts the crud.
i used regular vinegar. 24 hours it looked bnew on the inside. happy with the result.
hausenhof that’s great to know. Much appreciated
if i use muriatic acid do i have to remove the fuel pump ??
This procedure at the metal gas cap on my Honda Shadow 750 and cost me $65 bucks to replace.
mddaigle1 acid tends to eat aluminum with extreme prejudice
Holy fck that was Alot of build up....good job thanks for the post...Best Regards from Miami,FL:)
Feanor Fingolfin thanks for viewing. Made so much difference. Hope it helped.
After this experiment one must neutralize the tank with soap or detergent,otherwise the tank will get more rusty than before.
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.
Thanks
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!
Krikor Bedrossian let me know how it goes. I think you'll be surprised.
Could the reaction out the cap be from the acid and aluminum reacting with one another?
Did it get rusty again? Is it necessary to use some sort of protective coating afterwards?
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.
I'm doing that right now, but I'm going to give it 3 days.
I think before you do that you have to pour in hot water and detergent then let it rest and shake and rinse it to get rid of the petrol residue or the vinegar wont get to the metal so well. Use POR15 to seal it after.
Was it rust or was it residue/varnish left over from stale petrol ? I have a tank with varnish/residue in it and wondered if this method would work?
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
What caused this much funk in your tank?
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.
Since 08 the gas sucked.
So what did you do to seal it ?
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.
Robert Webber
yep ok and use fuel additive. . My tanks have a snorkel where you can never fill it completely. . (DR BIG)
Unnecessary sealing of a bike's tank is a big mistake ! Give any of the sealing products long enough and they will turn loose and make a mess .
does it need to be apple vinegar or does regular vinegar also work?
SnolBie I have not tried with anything else but believe apple cider vinegar gets best results.
Okay thanks
Both work, I used the white and it works it just takes time for them to do the work. both have the same percentage of acetic acid 5%.Cheers
Electrolysis also works well, lotsa vids on the internet on it, don't haveta pay for vinegar
did you use your vinegar you bought on your fish and chips? hahahahH
Does vinegar still have strenght after being used to remove rust? Anyone know?
Thank you
Rob Hernandez I’m not sure on the strength but I was able to reuse it after filtering for other projects.
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
Still good for salad dressing. Mild after taste...😗😗😗
Did the vinegar rot the fuel tap seals ?
I had no problems at all and continued to use the bike for years.
Did my tank with cider vinegar it really work well left bright metal
What about flash rust afterwards?
@@300zxdriver use red kote immediately after final cleaning follow directions from manufacturer
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 heard a story, about a leaky seal on a Muriatic Acid container. It slowly evaporated and every tool in this mans shop had began to rust.
There is no muriatic acid in apple cider vinegar. It has acetic acid.
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You have any issues with your fuel pump after treatment? Or flash rust?
No problems at all. Just made sure I kept the tank full
@@robertwebber3876 thanks mate
did you took out the fuel pump
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 .
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.
How long total did u let it sit
24 hours
Electrolysis is another good method
What about plain white vinegar?
Thomas Black I have not tried it but all other reports and research I have done suggests there is something about apple cider vinegar that is better.
@@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
Rob Hernandez please let me know how you get on. White vinegar is easier to get and cheaper so I’m keen to know if you have the same results.
Ok, I will let you know how it turns out.Cheers
i used regular vinegar just last night. il see how it goes.great vid
Send me plz liquid name and Link
It is “Apple Cider Vinegar”. Available from most supermarkets in the west
I thought it was dangerous to build up that much pressure
Moto Bike what do you mean? Pressure from what?
@@robertwebber3876 the liquid bubbling out from the fuel cap
Moto Bike there’s no real pressure. It’s just the reaction with the rust. No problem at all
That's expensive cider vinegar
cider vinegar cost a fortune here, damn
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.
I had no issues with the paint being affected however I was careful not to spill and any excess was wiped off quickly.