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Old 01-01-2013, 02:19 PM   #1 (permalink)
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Question Plastic tank replacement

My 2007 Caspain Blue Sprint plastic Gas Tank has blisters and the front end is starting to push on the triple tree washer. Didn't realize the cause of this was Ethanol/water reacting with the PA6 Nylon tank or 5 yr/18,641 mi warranty until I read all of the RAT threads. I'm concerned tank will eventually fail/leak and am considering getting a replacement plastic tank (as steel tanks do not come in this color) and coating the interior with Caswell epoxy sealer.

Any suggestions for contacting Triumph for some sort of tank replacement cost reimbursement?

I'm past the warrenty period at 24,000 miles and just over 5 years.

Got the Triumph Main office info. in Georgia but would welcome suggestions for best means to contact. I understand it will be difficult if not impossible to get anything out of Triumph but still wnat to try.
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Old 01-01-2013, 08:25 PM   #2 (permalink)
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I can tell you I saw a new one on E-bay the other day for $250.Retail is over $750!
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Old 01-02-2013, 01:43 PM   #3 (permalink)
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and coating the interior with Caswell epoxy sealer.
Def do this!

I lost the original tank on my Monster to ethanol! The replacement was also plastic and I had it coated with POR15 right out of the box before it went on the bike....
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Old 01-03-2013, 07:06 AM   #4 (permalink)
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Def do this!

I lost the original tank on my Monster to ethanol! The replacement was also plastic and I had it coated with POR15 right out of the box before it went on the bike....
Is it in order to allow the tank to "shrink" a bit before coating? I use my petrol quickly and haven't had this problem yet but things may get worse if we are forced into E15.
Thanks
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Old 01-03-2013, 08:55 AM   #5 (permalink)
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Is it in order to allow the tank to "shrink" a bit before coating? I use my petrol quickly and haven't had this problem yet but things may get worse if we are forced into E15.
Thanks
Not sure I understand the ? here. The tank doesn't shrink, it expands from ethanol. If I were the OP I would do the coating before EVER putting any fuel in the new tank....

If you are asking about doing it after a tank has seen fuel then you need to drain and dry the tank completely. I think I remember reading 72 hours drying time at 70F. Adjust accordingly for varying temps. Then you can seal it with confidence.
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Old 01-03-2013, 09:01 PM   #6 (permalink)
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Looked on Ebay. Did not see any new tanks, all were used. I'd go for a new tank for $250. Can you send me a link? Also ethanol/water is absorbed by the plastic tank and it expands, does not shrink.
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Old 01-04-2013, 09:31 AM   #7 (permalink)
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Here is the link: http://www.ebay.com/itm/110428880911...=p5197.c0.m619
The price dropped after I ordered mine
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Old 01-05-2013, 04:04 PM   #8 (permalink)
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Whole Irish

Half Brit,

Thanks for the link, I ordered the tank.
The other tank at $240 had almost triple the shipping cost at $60 (compared to $23) so we both got the best price. Did you coat interior with epoxy before using? If yes, how did it go?

Also, I noticed you live in Ohio. I live in Chicago and belong to MSTA (Motorcycle Sport Touring Association). There's an MSTA member that I ride from Ohio and there is also an MSTA ride event in Ohio called Mailpouch Fly By. Let me know if your interested and I'll send you a link and my Ohio rider partner email if you like.

By the way, I'm 100% Irish but have spent a lot of time in the UK so we should get along.

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Here is the link: http://www.ebay.com/itm/110428880911...=p5197.c0.m619
The price dropped after I ordered mine
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Old 01-05-2013, 07:27 PM   #9 (permalink)
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I just purchased a spare tank with the very intention of coating inside and going with a planned paint job on my S3/Daytona.
The used tank I purchased looked really good, but had one small bubble/crack on it - what I found was that when I exposed it, there appeared to be a filler material and THAT is what had bubbled and cracked - I think the expansion causes the issue as it is less flexible than the Acerbis plastic itself.

I just completed the Caswell coating yesterday.
It was a bit cool in my garage and the sealer (part A) was REALLY thick - could barely pour it out of the can. After mixing it became slightly less viscous but could tell that flow within the tank was going to be less than ideal. I used the blood red version - partly for whimsy, but also as aid to see where it was coated vs not.
Not sure if was the viscosity issue initially, but became clear with the suggested 1/2 measure, it was obviously not going to coat the entire tank.
So I mixed up the remainder - this time I put the sealer can on my heater for about 5 mins first, and that definitely improved the viscosity.
After mixing I poured in the remainder and got it pretty much covered on whole interior. I would suggest that - at least with my tank - given all the nooks and crannies adding to the surface area, there is no way that 1/2 mixture would have worked to coat it fully, even if it had been less viscous.
I went through couple of iterations of having the pump opening open then masked - it is easier to see where it needs to flow to get the coverage where you want it when it's open. But of course you can't tilt towards the pump plate opening if is uncovered. I also used a brush accessing through the pump plate, to help coat the vent tubes. Rubber gloves essential here!
I actually used my heat-gun to blow hot air into the tank, which made the material less viscous and allowed it to flow.

I would definitely recommend that if possible, you do in a well-heated area, and have the material at >70F for 24 hrs prior to starting the job.

It doesn't look 'pretty' but functionally achieved what I wanted.
It was touch-hard within about a couple of hours - I brought it into house at that point and left overnight in room next to the furnace - which is always warmest room in the house.
Today it is rock-hard (24 hrs) although it won't see gas for a few weeks at least.

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Old 01-05-2013, 10:47 PM   #10 (permalink)
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DEcosse,

Thanks for info. on Caswell coating application. Did you have to rotate the tank in different directions to get the coating to fflow and cover all the interior surface?
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