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Plastic Tank problems: Discussion thread, see info thread sticky for updates

Started by ducatiz, June 09, 2009, 12:56:37 PM

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Curmudgeon

#2430
May 16, 2012, 01:04:50 PM
Quote from: El-Twin on May 16, 2012, 12:54:35 PM
If you top-up after every ride, thereby reducing the surface area of fuel exposed to the air, will this help to mitigate absorption?

This has been my running assumption, but I've been wrong before.

Agreed. And I'm also running pure gas as long as I can still find it. Picked up 10 more gallons yesterday in NC while running an errand. Same price as the "corn" crap too.  ;)
2011 796 ABS "Pantah" - Rizoma Bar, 14T, Tech Spec, Ohlins DU-737, Evaps removed, Sargent Seat, Pantah skins

ducatiz

#2431
May 16, 2012, 02:01:25 PM
Quote from: El-Twin on May 16, 2012, 12:54:35 PM
If you top-up after every ride, thereby reducing the surface area of fuel exposed to the air, will this help to mitigate absorption?

This has been my running assumption, but I've been wrong before.

If you are running fuel thru it regularly, i.e. filling and then running it down within a short time, then i think the problem is limited.  I think the problem arises when the fuel is sitting in the tank for a while, regardless how full it is.  The ethanol wicks moisture and separates.  More fuel = more water.
Check out my oil filter forensics thread!                     Offended? Click here
"Yelling out of cars, turning your speakers out the window to blast your music onto the street, setting off M-80 firecrackers, firing automatic weapons into the airâ€"these are all well and good. But none of them create a merry atmosphere of insouciance and bonhomie quite like a revving motorcycle.

NorDog

#2432
May 16, 2012, 03:54:10 PM
Quote from: ducatiz on May 16, 2012, 02:01:25 PM
If you are running fuel thru it regularly, i.e. filling and then running it down within a short time, then i think the problem is limited.  I think the problem arises when the fuel is sitting in the tank for a while, regardless how full it is.  The ethanol wicks moisture and separates.  More fuel = more water.

That seems to mirror my experience.  The times my tank swelled coincided with times it sat for months without being ridden.

Moral of this story?  Ride!   [Dolph]
A man in passion rides a mad horse. -- Ben Franklin

K3V1N

#2433
May 29, 2012, 07:17:28 PM
Pictures from my tank sealing. The things I learned that I would like to share. I would use the whole batch and then wipe the excess out. I used a coat hanger with a piece of rag to get a spot that wouldn't cover. I also used my iPhone to take photos inside.



After first coat



junior varsity

#2435
May 30, 2012, 08:41:58 AM
i thought this was a pg13 site?

Desert Dust

#2436
June 02, 2012, 01:12:28 PM
I'm getting ready to take possession of my third tank now, so I have decided to bite the bullet and pay to get it coated.

Where do you buy the coating? How much should this cost?

Thanks for the help.
07 S2R 1K:  "You are not special. You're not a beautiful and unique snowflake. You're the same decaying organic matter as everything else. We're all part of the same compost heap. We're all singing, all dancing crap of the world.”

ducatiz

#2437
June 02, 2012, 01:19:46 PM
Quote from: Desert Dust on June 02, 2012, 01:12:28 PM
I'm getting ready to take possession of my third tank now, so I have decided to bite the bullet and pay to get it coated.

Where do you buy the coating? How much should this cost?

Thanks for the help.

i've only got experience with the "old" caswells, apparently they have a new version that is red -- but the website says it is the same formula, just colored to make application easier.

http://www.caswellplating.com/restoration-aids/epoxy-gas-tank-sealer.html
Check out my oil filter forensics thread!                     Offended? Click here
"Yelling out of cars, turning your speakers out the window to blast your music onto the street, setting off M-80 firecrackers, firing automatic weapons into the airâ€"these are all well and good. But none of them create a merry atmosphere of insouciance and bonhomie quite like a revving motorcycle.

Desert Dust

#2438
June 02, 2012, 01:22:13 PM
Thanks for the quick response.
07 S2R 1K:  "You are not special. You're not a beautiful and unique snowflake. You're the same decaying organic matter as everything else. We're all part of the same compost heap. We're all singing, all dancing crap of the world.”

ducatiz

#2439
June 02, 2012, 01:45:11 PM
Quote from: Desert Dust on June 02, 2012, 01:22:13 PM
Thanks for the quick response.

a new tank should be prepped just the same as an old tank.  you can rinse it with acetone (nylon has excellent resistance to acetone)...  but you won't need to rinse it with anything else.  rough the surface the best you can.  wire brush, screws if you're comfortable putting them in, etc. 

PA6 and acetone (have to scroll thru the chart)
http://k-mac-plastics.net/chemical-large.htm
Check out my oil filter forensics thread!                     Offended? Click here
"Yelling out of cars, turning your speakers out the window to blast your music onto the street, setting off M-80 firecrackers, firing automatic weapons into the airâ€"these are all well and good. But none of them create a merry atmosphere of insouciance and bonhomie quite like a revving motorcycle.

Punx Clever

#2440
June 02, 2012, 04:52:49 PM
Just went to the dealer to talk about getting my tank replaced... apparently you need to ride your bike into the shop...
2008 S2R 1000 - Archangel

The Edge... there is no honest way to explain it because the only people who really know where it is are the ones who have gone over.  - HST

ducatiz

#2441
June 02, 2012, 04:57:47 PM
Quote from: Punx Clever on June 02, 2012, 04:52:49 PM
Just went to the dealer to talk about getting my tank replaced... apparently you need to ride your bike into the shop...

in order for it to be warranty work, they have to have your bike.

some shops will let you take the new tank while they have your bike and have it coated before the install.  if not, it's not a big deal to rinse the gas out.
Check out my oil filter forensics thread!                     Offended? Click here
"Yelling out of cars, turning your speakers out the window to blast your music onto the street, setting off M-80 firecrackers, firing automatic weapons into the airâ€"these are all well and good. But none of them create a merry atmosphere of insouciance and bonhomie quite like a revving motorcycle.

Punx Clever

#2442
June 02, 2012, 05:57:00 PM
No big deal in the end... it's my "spare" tank that needs replaced.  Just that the bike is in a bunch of pieces right now, so I'll have to wait until I get everything back together
2008 S2R 1000 - Archangel

The Edge... there is no honest way to explain it because the only people who really know where it is are the ones who have gone over.  - HST

Uncle Mofo

#2443
June 02, 2012, 08:33:20 PM
So I got a new tank, the new "adjustable" hinge bracket and those new fugly oversized rubber mounts on the frame. 
Wtf those things are huge and stick out.


                                   2007 red S4Rs

Curmudgeon

#2444
June 02, 2012, 09:07:32 PM
Quote from: Grifo on June 02, 2012, 08:33:20 PM
So I got a new tank, the new "adjustable" hinge bracket and those new fugly oversized rubber mounts on the frame. 
Wtf those things are huge and stick out.
Sooo..., either coat it, or run K100 in it with your E-10.  8) http://www.k100fueltreatment.com/
2011 796 ABS "Pantah" - Rizoma Bar, 14T, Tech Spec, Ohlins DU-737, Evaps removed, Sargent Seat, Pantah skins
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