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Gas tank rehab 2 weeks 21 hours ago #30742

  • Whiskey1300
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This is a really great article, KZQ. There seems to be so many ways to clean the tanks and so many different opinions on whether or not to seal them. I’ve been going back and forth in that regard. 

I have already started with distilled white vinegar, which seems pretty effective with minimal effort. It’s been in the tank for about 5 days and the rust is mostly flaked off. I plan on emptying the tank and then proceeding with your  1/4” nut approach. 

My concern is with how pitted the inside of the tank is. But… I’m not sure that the pitting matters because there doesn’t seem to be any soft spots. How everything , I do like the idea of NOT sealing the tank. I don’t ever plan on selling the bike so I’m not concerned about resale value just the bikes longevity. I think what I’ll do is try the WD40 approach then go from there. I do have a second tank that I can tinker with as well. 

Thank you again for the article. I really appreciate yours and everyone else’s opinions on this. It seems like I’ll be practicing a bit of everyone’s advice 
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Gas tank rehab 1 week 4 days ago #30757

  • KZQ
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The WD40 really helps out a couple of ways. No matter how many times I've tried to to dry out a cleaned tank I've always had to accept some flash rust, at least that was the case before I tried the WD40 step. It also clings to the metal and to some extent fills some of the pitting, even as it's applied to a wet tank.
1947 Indian Chief, 1968 BSA Shooting Star, 1970 BSA 650 Lightning, 1974 Kawasaki W3, 1976 KZ900 A4, 1979 KZ750 B4, 1979 KZ750 B4 Trike, 1980 KZ550, 1981 KZ1300, 1982 KZ1100 Spectre, 1985 Kawasaki ZN1300, 1987 Yamaha Trail Way, 2000 Honda Valkyrie Tourer, 1981 GL 1100, 2009 Yamaha RoadLiner S

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