Gas Tank Rust Removal - Part Dieu - Kawasaki Vulcan 750 Forum : Kawasaki VN750 Forums
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post #1 of 12 (permalink) Old 10-17-2011, 07:05 PM Thread Starter
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Gas Tank Rust Removal - Part Dieu

I did the whole procedure with the acid some time ago and it cleaned up really well.

It sat for over a year empty and has re-rusted (sp?).

The question is not how to remove the rust, but how to keep it from coming back? I know if you fill it up with gas it will not rust, but that gas may sit for a very long time in the tank as no one is buying anything around here right now.

Ideas?

Jon

93VN750, under re-construction
vn750.com Member # 828

Rick's Stator and R/R
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Shaved & Jetted
Iridium's
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post #2 of 12 (permalink) Old 10-17-2011, 08:03 PM
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One option that may be the cheapest and least effort is to simply fill up the tank with gas, but treat the gas with the right fuel conditioner.

An easy example: a product called, "Star Tron" is supposed to work well with gasoline/alcohol blended fuels, and intercept the problems these fuel blends create.

Supposedly this stuff treats fuel for up to 2 years.

Run the stuff enough to get the treated fuel up into the carbs, then simply run the engine a little bit every month or so. Make sure you get the treated fresh fuel into both the idle and other carb jets. Keep the tank fully topped off, too.

http://mystarbrite.com/startron/content/view/35/47

I've used this stuff with good results for a while now.

And no, I don't get any kickbacks for recommending it--no relations with vendor here....

'05 VN750



For other bike pix & mods, go to:
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post #3 of 12 (permalink) Old 10-17-2011, 10:34 PM
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A guy put his '86 Rebel 250 to sleep for 10 years. Added Sea Foam and filled the tank with fresh gas. When he brought it out of hibernation, he burned that 10 year old gas and the tank was nice and shiney.

I don't know of another fuel stabilizer that can match that!

I'm keepin' all the left over parts. I'm gonna use 'em to build another bike!
_____________________________________________
"Black Beauty"
1989 VN750 acquired December, 2008, 6,711 miles
Currently 23,298 miles

Old Blue
2001 Honda CMX250 Rebel acquired July, 2008

1987 VN750 project bike, acquired August, 2009, 33,000 miles and balancer sticking out of the case, currently awaiting attention and parts
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post #4 of 12 (permalink) Old 10-17-2011, 10:43 PM
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Hi .Me now,I just use "SEAFOAM" and try to keep the tank full as much as is practical.
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post #5 of 12 (permalink) Old 10-18-2011, 07:14 AM
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Stabil is another fuel additive to help with gas to keep it from varnishing. I used it in my shop for years on lawn mowers, and had good luck with it sitting in a tank over the fall and winter.
I think a small bottle will treat 10 or 12 gallons, and you can mix as much as you want to with it's built in mixture guide.
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post #6 of 12 (permalink) Old 10-18-2011, 07:15 AM
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Stabil is another fuel additive to help with gas to keep it from varnishing. I used it in my shop for years on lawn mowers, and had good luck with it sitting in a tank over the fall and winter.
I think a small bottle will treat 10 or 12 gallons, and you can mix as much as you want to with it's built in mixture guide.
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post #7 of 12 (permalink) Old 10-18-2011, 09:02 AM
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The problem with Sta-bil is it has a two year shelf life once the bottle is opened. Not so with Sea Foam.

I'm keepin' all the left over parts. I'm gonna use 'em to build another bike!
_____________________________________________
"Black Beauty"
1989 VN750 acquired December, 2008, 6,711 miles
Currently 23,298 miles

Old Blue
2001 Honda CMX250 Rebel acquired July, 2008

1987 VN750 project bike, acquired August, 2009, 33,000 miles and balancer sticking out of the case, currently awaiting attention and parts
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post #8 of 12 (permalink) Old 10-18-2011, 11:16 AM Thread Starter
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Quote:
Originally Posted by flitecontrol View Post
The problem with Sta-bil is it has a two year shelf life once the bottle is opened. Not so with Sea Foam.
Big believer in Seafoam, didn't know it can do that, solution (no pun intended) found!

Thanks!

Jon

93VN750, under re-construction
vn750.com Member # 828

Rick's Stator and R/R
MF AGM Battery
Coastered
Degoated
Shaved & Jetted
Iridium's
MAC Tapered Staggered Pipes
Battery/Temp/Clock Gauge
Stainless Steel Brake Lines
Dunlop D-404's
23,XXX miles and holding pending gasket change (underway!!!)
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post #9 of 12 (permalink) Old 10-18-2011, 03:06 PM
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If it's going to be sitting for a long time, I'd treat the gas, shut the petcock off, run or drain the gas from the carbs, and then run some straight SF through them. Might also want to spray some fogging oil in each cylinder, disconnect the plugs and turn the engine over a time or two to coat the inside of the cylinders.

I'm keepin' all the left over parts. I'm gonna use 'em to build another bike!
_____________________________________________
"Black Beauty"
1989 VN750 acquired December, 2008, 6,711 miles
Currently 23,298 miles

Old Blue
2001 Honda CMX250 Rebel acquired July, 2008

1987 VN750 project bike, acquired August, 2009, 33,000 miles and balancer sticking out of the case, currently awaiting attention and parts
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post #10 of 12 (permalink) Old 10-18-2011, 08:06 PM
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FWIW: the parent company of Seafoam says it will stabilize fuel for up to 2 years....after that, you may be on your own:

http://www.seafoamsales.com/how-to-u...treatment.html

With any luck, hopefully you'll either sell the bike or use it again within the next 2 years....

If you are going to store the bike for an extended period of time, you might (also) cover/wrap up the ends of the exhaust pipes, to help keep vermin from possibly making a "condo" out of your bike. A battery tender is another idea, if you're just not gonna be riding the bike.

In any case, it's sad to know that there are too many bikes out there just sitting....for months, or even years.....uncovered....and with totally untreated fuel in them.....

'05 VN750



For other bike pix & mods, go to:
http://s1203.photobucket.com/albums/...k/VN750%20pix/

Last edited by theauhawk; 10-18-2011 at 08:13 PM.
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