Here we go again 🤦‍♀️... 2015 Matt grey B3 - MVAgusta.net
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post #1 of 36 (permalink) Old 06-17-2019, 08:37 PM Thread Starter
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Right after purchasing my bike, I noticed gas was leaking through one of the hoses. They confirmed the tank had to be replaced. After months of waiting (they couldn’t find a matching tank, only had a red one available) I received my new tank and the tank was all good until now. So yesterday, I went to wipe off what I thought was a bit of dirt and I saw that the paint was cracking. Upon further inspection, I noticed that in between the cracks, was red paint.
Now this had me 🤔....
Did they paint over the pre-existing tank to pass it off as a grey one? Has anyone else experienced this “paint cracking” issue? Any input would be helpful. Thanks!!!
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post #2 of 36 (permalink) Old 06-17-2019, 10:18 PM
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Originally Posted by bbycakes View Post
Right after purchasing my bike, I noticed gas was leaking through one of the hoses. They confirmed the tank had to be replaced. After months of waiting (they couldn’t find a matching tank, only had a red one available) I received my new tank and the tank was all good until now. So yesterday, I went to wipe off what I thought was a bit of dirt and I saw that the paint was cracking. Upon further inspection, I noticed that in between the cracks, was red paint.
Now this had me 🤔....
Did they paint over the pre-existing tank to pass it off as a grey one? Has anyone else experienced this “paint cracking” issue? Any input would be helpful. Thanks!!!
It is very difficult to answer your question about them painting over the red. I would obviously contact them.

My 2 cents: I can't believe that somebody would paint on top of the current paint without stripping... I think that if they did that, you should run away from these people. They should have told you they were "offering" to repaint it, and then they should have stripped the existing paint.
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post #3 of 36 (permalink) Old 06-18-2019, 06:26 AM
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In order to change color on sound original paint, all that is required is a paint prep wash to remove any wax, oils, and silicones and then a "scuff" to kill the shine and promote adhesion of the new paint. Two coats of color, one of clear and bingo a new tank color. There is no need to remove the original paint.

Now, to the issue of cracking: MV uses Acerbis to make their plastic tanks. The material Acerbis sued to make early tanks was not compatible with ethanol and the ethanol would swell those tanks. That swelling cause the cracking you see. I have had this happen to a 2010 B4 Brutale and a 2015 B3 800 RR.

There is supposed to be a Gray Dot on the tank to indicate it is a newer material that is less susceptible to this ethanol swelling issue.

There are many threads on this....with pictures.
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post #4 of 36 (permalink) Old 06-18-2019, 10:41 AM
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That grey dot means nothing. I’ve had three tanks with it. Third one is now cracking just like the rest.

It may be better plastic but it still sucks. Why plastic on a consumer model?

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post #5 of 36 (permalink) Old 06-18-2019, 10:45 AM
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That grey dot means nothing. I’ve had three tanks with it. Third one is now cracking just like the rest.

It may be better plastic but it still sucks. Why plastic on a consumer model?
Plastic is used simply because it is easier to form into complex shapes.

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post #6 of 36 (permalink) Old 06-18-2019, 03:35 PM
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Why plastic on a consumer model?
Brutale model has had plastic tanks since inception.... Mine has never had an issue. Newer bikes got a new plastic composition and had problems....not just MV, other brands too. That has been addressed with the plastic engineers. Nothing wrong with plastic if it is made with the right ingredients.

Old Ducatis and other bikes with fiberglass tanks had problems too..... even without ethanol.

I used to be fast....now I just dream about it.
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post #7 of 36 (permalink) Old 06-18-2019, 03:39 PM
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Quote:
Originally Posted by Atom View Post
Why plastic on a consumer model?
Brutale model has had plastic tanks since inception.... Mine has never had an issue. Newer bikes got a new plastic composition and had problems....not just MV, other brands too. That has been addressed with the plastic engineers. Nothing wrong with plastic if it is made with the right ingredients.

Old Ducatis and other bikes with fiberglass tanks had problems too..... even without ethanol.
If nothing is wrong with the plastic then why is it reacting with the ethanol in my gas?

It seems that a new tank design is in order for MV Agusta. They’re losing money.

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post #8 of 36 (permalink) Old 06-18-2019, 03:52 PM
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You need to have a discussion with MV USA and your dealer..... ethanol related problems with MV tanks ceased to be an issue a while back. At least, complaints seem to have dropped away to nothing globally (from this forums responses, anyway). Ducati also had big problems (among others).

I used to be fast....now I just dream about it.
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post #9 of 36 (permalink) Old 06-18-2019, 10:22 PM
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No tank problems on my 2018 Dragster RR, and we have ethanol 10% gas here in Texas, USA. I have had the bike almost a year. Dealer did tell me to add S 100 gas treatment to keep water from separating.

Good luck!

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post #10 of 36 (permalink) Old 06-19-2019, 10:48 AM Thread Starter
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Quote:
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Quote:
Originally Posted by bbycakes View Post
Right after purchasing my bike, I noticed gas was leaking through one of the hoses. They confirmed the tank had to be replaced. After months of waiting (they couldn’t find a matching tank, only had a red one available) I received my new tank and the tank was all good until now. So yesterday, I went to wipe off what I thought was a bit of dirt and I saw that the paint was cracking. Upon further inspection, I noticed that in between the cracks, was red paint.
Now this had me 🤔....
Did they paint over the pre-existing tank to pass it off as a grey one? Has anyone else experienced this “paint cracking” issue? Any input would be helpful. Thanks!!!
It is very difficult to answer your question about them painting over the red. I would obviously contact them.

My 2 cents: I can't believe that somebody would paint on top of the current paint without stripping... I think that if they did that, you should run away from these people. They should have told you they were "offering" to repaint it, and then they should have stripped the existing paint.

I hope this isn’t actually the case too. I will be contacting my local MV dealer and try to get this resolved asap.
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