Yeah, I’ve done it before a few times On Sun, May 23, 2021 at 8:29 PM David Shevlin <[email protected]> wrote:
> Yes, by shaking. It’s a good work-out ! > > *From:* Graham Rogers > *Sent:* Sunday, May 23, 2021 4:18 PM > *To:* [email protected] > *Subject:* Re: [Nighthawk Lovers] Gas Tank restoration > > Thanks David, I’ll get the supplies this week. By agitate, do you mean > shake only? > > Sent from my iPad > > On May 23, 2021, at 3:09 PM, David Shevlin <[email protected]> wrote: > > > Graham.........I considered using a commercial rust-remover (“Evaporust”) > but opted for this approach instead: > > o Add undiluted vinegar (weak acid to solubilize rust) to the empty > tank and agitate; agitate more; *keep agitating*.........then drain after > several days. I used store-bought vinegar (5% acidity). I don’t believe > it matters whether it’s white vinegar or cider vinegar. I added 2 gallons > of vinegar and agitated the tank many times / day for several days. > Between agitations, I left the tank in various orientations such that all > interior surfaces were periodically bathed in vinegar over the days. > Drain. > > o Add baking *soda* solution (weak base to neutralize any residual > acid) to the empty tank and agitate. For this step, I agitated the tank > for a few minutes. Drain. > > o Add water to the empty tank and agitate; agitate more; *keep > agitating*........then drain. For this step, I agitated / drained / > filled / agitated / drained through several cycles. I spent ~ 15 minutes > on this step > > o Add isopropyl alcohol (IPA; functions as a water-scavenger) to the > empty tank, agitate and drain. For this step, I used 70% IPA (16 > oz.). Since this was a small volume relative to the tank volume, I was > careful in agitating (several minutes) in an effort to ensure that IPA came > in contact with all tank-interior surfaces and to mix with any residual > water from the previous step. Drain. A very minor degree of “flash-rust” > developed in some areas following this step. > > o “Blow-dry” the tank interior. I used compressed air and a heat-gun > (low setting) on this step. The tank interior (as observable with a mirror > and flashlight) at this point was substantially rust-free. > > o Fill the tank with fresh gas. > > I’m happy with the outcome (including a functional fuel gauge) but sad > that I got myself in the situation to start with. Perhaps it’s a > cautionary-tale that will help others (*don’t allow your tank to rust* > !). In any case, I’m also happy to share the experience and to report that > I am back on the road ! After several years. Side note: I had forgotten > how *un-fun* mounting tires (front and back) is. One, two-foot iron > broke in the process. > > David > > > *Before / After Conditions:* > > <image[3].png> > > > Bonus pics: > > *Rust (and liquid) from the tank* > [image: P9031587] > > > *Current-status image* > [image: P7191882] > > > *From:* Graham Rogers > *Sent:* Sunday, May 23, 2021 1:52 PM > *To:* [email protected] > *Subject:* Re: [Nighthawk Lovers] Gas Tank restoration > > Yes, tell me! > > On Sun, May 23, 2021 at 10:51 AM David Shevlin <[email protected]> > wrote: > >> Graham.......I had good success at removing rust from my 1986 NHS >> tank-innards. Happy to share if you’re interested. >> >> David >> >> *From:* Graham Rogers >> *Sent:* Sunday, May 23, 2021 8:57 AM >> *To:* Nighthawk Motorcycle Lovers! >> *Subject:* Re: [Nighthawk Lovers] Gas Tank restoration >> >> First local hardware store I walked into here had Methyl Ethyl Ketone. I >> set up the tank, had a pressure washer ready to go and every precaution not >> to get the stuff on the paint. The stuff really worked well. It softened >> the liner on contact and I got most of it out. It was messy and I did get a >> few streaks on the paint, not too bad. EMK is so strong it started to work >> on the plastic funnel I was using. Now To remove the rust in the tank, >> forget about lining it again. Thanks folks for the suggestions. >> >> On Wednesday, May 19, 2021 at 5:51:44 PM UTC-4 Graham Rogers wrote: >> >>> Thanks Nick, I’ve been trying to find a US supplier of the stuff >>> >>> On Wed, May 19, 2021 at 5:04 AM 'Nick Tampsett' via Nighthawk Motorcycle >>> Lovers! <[email protected]> wrote: >>> >>>> Hi Graham, I had the same problem last year. There were various >>>> remedy’s suggested to me, but none of them worked. I then contacted a guy >>>> here in the UK who specialises in tank repairs. I bought a complete tank >>>> repair kit from him ( liner remover, rust preventative and new sealer etc >>>> ). The liner remover didn’t work (🤬🤬) but everything else did. I >>>> contacted the guy again and he suggested a product called Fertan >>>> Sealeater. I bought some and yes it did work. I then used the rest of kit >>>> to seal the tank and it’s been good ever since. >>>> One very important tip. DO NOT get any of the liquid on your paintwork, >>>> it will eat it. Ask me how I know. >>>> Hope this helps. >>>> >>>> On 19 May 2021, at 01:24, Graham Rogers <[email protected]> wrote: >>>> >>>> Has Anyone had any experience removing a deteriorated liner out of a >>>> gas tank. There is rust under the liner. I want to deal with the liner >>>> first. I have already pressure washed a lot out of it. -- >>>> You received this message because you are subscribed to the Google >>>> Groups "Nighthawk Motorcycle Lovers!" group. >>>> To unsubscribe from this group and stop receiving emails from it, send >>>> an email to [email protected]. >>>> To view this discussion on the web visit >>>> https://groups.google.com/d/msgid/nighthawk_lovers/9dcc39a3-4d88-46b2-87ae-99458302e79en%40googlegroups.com >>>> <https://groups.google.com/d/msgid/nighthawk_lovers/9dcc39a3-4d88-46b2-87ae-99458302e79en%40googlegroups.com?utm_medium=email&utm_source=footer> >>>> . >>>> >>>> -- >>>> You received this message because you are subscribed to the Google >>>> Groups "Nighthawk Motorcycle Lovers!" group. >>>> To unsubscribe from this group and stop receiving emails from it, send >>>> an email to [email protected]. >>>> >>> To view this discussion on the web visit >>>> https://groups.google.com/d/msgid/nighthawk_lovers/3A9946D1-49DB-4BB8-A83F-2CE0997A59AD%40btinternet.com >>>> <https://groups.google.com/d/msgid/nighthawk_lovers/3A9946D1-49DB-4BB8-A83F-2CE0997A59AD%40btinternet.com?utm_medium=email&utm_source=footer> >>>> . >>>> >>> -- >> You received this message because you are subscribed to the Google Groups >> "Nighthawk Motorcycle Lovers!" group. >> To unsubscribe from this group and stop receiving emails from it, send an >> email to [email protected]. >> To view this discussion on the web visit >> https://groups.google.com/d/msgid/nighthawk_lovers/3243a8f5-ef2a-40c3-9b94-c533e93f7083n%40googlegroups.com >> <https://groups.google.com/d/msgid/nighthawk_lovers/3243a8f5-ef2a-40c3-9b94-c533e93f7083n%40googlegroups.com?utm_medium=email&utm_source=footer> >> . >> -- >> You received this message because you are subscribed to the Google Groups >> "Nighthawk Motorcycle Lovers!" group. >> To unsubscribe from this group and stop receiving emails from it, send an >> email to [email protected]. >> To view this discussion on the web visit >> https://groups.google.com/d/msgid/nighthawk_lovers/83D116674A8645C0819AD03FDB7F288C%40DavesWootHP >> <https://groups.google.com/d/msgid/nighthawk_lovers/83D116674A8645C0819AD03FDB7F288C%40DavesWootHP?utm_medium=email&utm_source=footer> >> . >> > -- > You received this message because you are subscribed to the Google Groups > "Nighthawk Motorcycle Lovers!" group. > To unsubscribe from this group and stop receiving emails from it, send an > email to [email protected]. > To view this discussion on the web visit > https://groups.google.com/d/msgid/nighthawk_lovers/CAGg-qp0D446tdHhap3ky4E_%2B8_%3D78hyo0Y3hBE8u2ZTbAFsy2g%40mail.gmail.com > <https://groups.google.com/d/msgid/nighthawk_lovers/CAGg-qp0D446tdHhap3ky4E_%2B8_%3D78hyo0Y3hBE8u2ZTbAFsy2g%40mail.gmail.com?utm_medium=email&utm_source=footer> > . > -- > You received this message because you are subscribed to the Google Groups > "Nighthawk Motorcycle Lovers!" group. > To unsubscribe from this group and stop receiving emails from it, send an > email to [email protected]. > To view this discussion on the web visit > https://groups.google.com/d/msgid/nighthawk_lovers/3FFF984E1CE04202AC612292B38F2C0D%40DavesWootHP > <https://groups.google.com/d/msgid/nighthawk_lovers/3FFF984E1CE04202AC612292B38F2C0D%40DavesWootHP?utm_medium=email&utm_source=footer> > . > > -- > You received this message because you are subscribed to the Google Groups > "Nighthawk Motorcycle Lovers!" group. > To unsubscribe from this group and stop receiving emails from it, send an > email to [email protected]. > To view this discussion on the web visit > https://groups.google.com/d/msgid/nighthawk_lovers/492E3AD8-3C1E-4B05-BE4C-2DAC02D825B1%40gmail.com > <https://groups.google.com/d/msgid/nighthawk_lovers/492E3AD8-3C1E-4B05-BE4C-2DAC02D825B1%40gmail.com?utm_medium=email&utm_source=footer> > . > > -- > You received this message because you are subscribed to the Google Groups > "Nighthawk Motorcycle Lovers!" group. > To unsubscribe from this group and stop receiving emails from it, send an > email to [email protected]. > To view this discussion on the web visit > https://groups.google.com/d/msgid/nighthawk_lovers/61402AA08CEF4D89ADF60236569B87E1%40DavesWootHP > <https://groups.google.com/d/msgid/nighthawk_lovers/61402AA08CEF4D89ADF60236569B87E1%40DavesWootHP?utm_medium=email&utm_source=footer> > . > -- You received this message because you are subscribed to the Google Groups "Nighthawk Motorcycle Lovers!" group. 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