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The Vintage Japanese Motorcycle Owners Group: Discussion Forums

Vintage Japanese Motorcycle Owners Group :: View topic - Treat a rusty tank with vinegar


Treat a rusty tank with vinegar
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mopar_man
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PostPosted: Tue May 19, 2009 4:24 pm    Post subject: Reply with quote

fasterspider wrote:
So the vinegar thing works if you do it right I guess. I did not do it right.


What's "doing it right?" Flushing it out with vinegar and immediately filling with gas? Not trying to be a wise-ass, just interested in what the correct way is so I can maybe give it a try until I can get the POR15 kit.
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fasterspider
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PostPosted: Tue May 19, 2009 5:12 pm    Post subject: Reply with quote

mopar_man wrote:
fasterspider wrote:
So the vinegar thing works if you do it right I guess. I did not do it right.


What's "doing it right?" Flushing it out with vinegar and immediately filling with gas? Not trying to be a wise-ass, just interested in what the correct way is so I can maybe give it a try until I can get the POR15 kit.

If I knew, I'd tell you but, it did not work for me so I do not know the right way.
Be patient and wait for the POR-15 because it costs $20.00 in vinegar anyways.

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PipeDreams
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PostPosted: Thu Jun 11, 2009 9:56 pm    Post subject: Reply with quote

I just wanted to add that anyone who reads this needs to be warned that vinegar will work for surface rust, but won't do jack against a seriously rusted tank.

I've been going through hell with my tank, pulling out countless chunks of rust and gunk. Yes, CHUNKS. Handfuls. When gas has been sitting in a tank for 5+ years, you're going to need more than vinegar to tackle the problem.

Eventually, the only home based solution that I've found is electrolysis and POR-15 once its completely clear. It's a long, drawn out and messy process, but at least in my case, one that needed to be done. Vinegar wouldn't even come close to cutting it.
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650hardtail
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PostPosted: Fri Jun 12, 2009 3:51 am    Post subject: Reply with quote

+1 on the electrolisis/por 15...my next rusty parts im going to try evapo rust...
ive heard good results...ill post mine..
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Steve Searles
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PostPosted: Mon Aug 10, 2009 1:45 pm    Post subject: POR-15 Reply with quote

POR-15 is the liner of choice right now. Have found nothing better. Kreem is the worst.
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RudyF6
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PostPosted: Tue Aug 11, 2009 7:07 am    Post subject: Re: POR-15 Reply with quote

Steve Searles wrote:
POR-15 is the liner of choice right now. Have found nothing better. Kreem is the worst.


How do you tell which has been done to an existing tank? My '81 CBX has a liner, it's kind of a light grey color, and was done by a prior owner.

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Steve Searles
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PostPosted: Tue Aug 11, 2009 7:30 am    Post subject: Reply with quote

Well the Kreem never gets really hard so if you take your fingernail to it you can leave a little indentation. The POR-15 is more silver and is rock hard. Side note: I just found out my new purchase, Yamaha XJ900 Seca has a Kreemed tank and the crap is coming off and screwing up the tank. BAD issue!!
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fasterspider
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PostPosted: Tue Aug 11, 2009 6:11 pm    Post subject: Re: POR-15 Reply with quote

RudyF6 wrote:
Steve Searles wrote:
POR-15 is the liner of choice right now. Have found nothing better. Kreem is the worst.


How do you tell which has been done to an existing tank? My '81 CBX has a liner, it's kind of a light grey color, and was done by a prior owner.

POR-15 is kind of grey in color once it is cured.
Here is a freshly POR-15 CB1100F tank.

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Steve Searles
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PostPosted: Wed Aug 12, 2009 5:52 am    Post subject: Reply with quote

Nice pic Ray! I need a clean gas tank for my 1983 Yamaha Seca 900. Crying or Very sad
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RudyF6
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PostPosted: Wed Aug 12, 2009 6:13 am    Post subject: Reply with quote

Thanks guys - I think mine's the POR-15 Very Happy I have a clear fuel filter on it just in case though!
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KirkN
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PostPosted: Fri Aug 14, 2009 11:12 am    Post subject: Reply with quote

Here's a link to the HondaTwins forum, where I describe my own experiments / results with vinegar. It was successful, but not the first time.....

http://www.hondatwins.net/forum/viewtopic.php?f=19&t=1376


Kirk
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jeepurz
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PostPosted: Fri Aug 14, 2009 7:26 pm    Post subject: Reply with quote

Ive had purty good luck with this, ive used vinager, no probs , this just works a lilttle quicker, 1 gal did two tanks and a rim (reusing it) , think its bout 17 bucks per gal. Ive never had the rust come back but I spray inside with fogging oil once done.


ts90 tank before


after

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RBCC
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PostPosted: Mon Sep 07, 2009 6:30 pm    Post subject: Mixture of Vinegar to Water? Reply with quote

What is your Mixture of Vinegar to water? is it straight vinegar? John Very Happy
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Motob45
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PostPosted: Thu Sep 24, 2009 11:12 am    Post subject: Evapo rust Reply with quote

650hardtail wrote:
+1 on the electrolisis/por 15...my next rusty parts im going to try evapo rust...
ive heard good results...ill post mine..



I have definitely had great results at $23 a gallon though. Used it on a 91 GS500 tank that was pretty bad. My current project a 76 gt250 is sitting with a clean petcock and a tank full of evap o rust. However, you will still have the same rust flashing problems. I used carb cleaner and alcohol and then filled with gas. Of course an inline filter won't hurt, but you can't really install one before the fuel pet cock. So, it can still be corrupted with rust.
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tcanough
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PostPosted: Thu Sep 24, 2009 4:49 pm    Post subject: ADDITIONAL INFO. Reply with quote

For further edification , there are two very interesting posts concerning the rusted tank that may be useful to some . Under the " main menu , resources , articles , technical articles . I have one rusted tank that I also need to de-rust , also searching for the best method . I may try the vinager and the wd-40 .
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