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Discussion Starter #1
Hello everybody,
I've noticed a slight bulge on the top, left side of my tank (1090RR) about where the left "R" in the 1090RR logo is. Being that the tanks on these bikes are plastic & there is no other MY10+ Brutes within 300 miles of where I live, can anyone tell me if this is normal? It feels pretty solid so I figure it is probably normal, but it would be nice to know if anyone else has noticed this.
Sorry no pic, I figured if this is normal you will know what I'm describing.
Thank you for your time.



Cheers,
Glenn
 

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please post pic my mv is a 2010 1090 and no bulging as of yet 5k miles on it in 1year 5 months of using 91 octance USA gas with 10% ethanol in it the entire time
 

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did you buy the bike new or used? This happened to my step son's SV that he had purchased used. The tank looked perfect but it started a little bubble that grew. When he finally broke the raised bit, he had a handful of crumbled bondo. Previous owner had been down and attempted to "fix" the tank. There was a small pinhole allowing gas to seep out! He had to have the tank professionally repaired (welded) and repainted.
 

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Discussion Starter #4
I bought the bike brand new. It had not even made it to the showroom floor, it was still being ucrated/ prepped when the dealership owner showed it to me.
The bulge is very slight, but in the right light/angle you can see it. I will try posting a pic later on. However I'm not sure it will show anything.
Thanks for the responses.
Cheers,
Glenn
 

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No deformities detected...

I am however, keeping a close watch on my 1090RR tank. I also have a Ducati with a plastic tank so I am hyper aware of this condition. I scoured this forum prior to buying my 1090RR and there were no reported incidents of tank deformity on any Brutale. There were a few on the F4's however. Maybe it is the shape / thickness of the tank that predisposes it to deformity when exposed to ethanol? i.e. the tank on my Streetfighter is very thin. I can squeeze it with my legs while riding and feel it deform. Not so with the Brutale.
 

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Discussion Starter #6
The tank on my bike definitely feels very solid. If I push on the bulge there is no deflection. The bike is kept in my garage (does not sit in the sun) & is not exposed to extreme temp changes. Fuel has never (as of yet) been spilled/splashed on the tank. It has probably always been this way, I just never noticed it until recently. If I notice it getting any worse I will bring it in for warranty.
Cheers,
Glenn
 

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It might not be a bad idea to stop by the dealer to make them aware if it is conveinient for you, just so there is a record. My closest dealer is 160mi away :(
 

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Discussion Starter #9
Well I brought my bike to the dealer today. They took pictures & are going to send them to MV. The service manager definitely saw the bulges & agreed they definitely don't look normal. With that said, I've definitely decided I want it replaced as I consider it a factory defect.
MVs are noted for their "fit & finish" as well as "attention to detail" & the more I think about it the more it bugs me that, albeit slight, the bulges are definitely there. So let the fun begin!
Cheers,
Glenn
 

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Discussion Starter #12 (Edited)
Ok here is the best picture I have.

You can see one of the bulges where I am pointing. Another is around 5 O'clock from where I am pointing. And the 3rd, though harder to see & actually the largest, is where the left "R" in the 1090RR logo is.
Here is a great picture of the tank on a 2012 RR1090 posted by pascalmarius on his "Jumped on the bandwagon thread" & I see no evidence of bulges on the tank. It looks smooth as silk. Love the color scheme, btw:mouthwate

http://www.mvagusta.net/forum/showthread.php?t=45520
I have no doubt that this is not normal & hope that MV will take care of it. I'm not expecting miracles as I expect this to take some time, I just want to know that when I look at my Brute, I am looking at "Motorcycle Art" & not of the Salvatore Dali abstract type either!
Cheers,
Glenn
 

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Yeah, replacement tank coming your way for sure. Interesting to note Ducati's latest offerings have metal tanks. I think this ethanol Fuel is causing havoc in plastic fuel tank design. I don't think this is any bad reflection on MV Agusta yet, it seems to be a one-off.
 

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Hmm...

That would be hard to overlook at delivery... I doubt it was there at the time. do keep us in the loop...

I'm bout' to have Motowheels coat my second tank on my Streetfighter... Wonder if i'll have to send the Brute' tank out too? :bawling:

I drain my tanks over the winter since the swelling incident on my first Ducati tank. No issues so far...
 

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Discussion Starter #15
I do believe the bulges have been there all along. I believe my initial excitement caused me to have blinders. After waiting the better part of two years for my dealer to finally get a Brutale, I was pretty amped up when I saw it in the flesh. Sometimes you just don't see that awkward mole on a beautiful lady:)
Additionally, there is nothing that the bike has been exposed to since I bought it last September that would have caused this. No extreme temp changes, fuel spills, splashes, etc. They are not that easy to see, unless you catch them in the light/angle.
I will keep you all posted on the progress.
Cheers,
Glenn
 

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Discussion Starter #16
Ok, I got the word back from the service manager at my dealer & here's what he said. MV is going to replace the tank, but they are asking for time. They do have a few original tanks in stock , but the wish to keep those for emergency replacements, fuel leaks & other "safety" related concerns. MV is actually working to make improvements to the tank & will ship a new tank when they come available. I know this will take some time so I will be patient. In the meantime it is not as if I'll be without my bike.
Additionally I had asked about getting my mirrors (under warranty) upgraded to the 2012 style mirrors, and it was approved. It should take a couple of weeks to get the parts in to make the change over to the new style mirrors. The new mirrors are fixed in the housing, so no more popping out, wiggling, excessive vibration, etc. Not to mention they offer improved visibility.
I will keep you all posted as I get updated.
Cheers,
Glenn
 

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Good to hear...

MV responded quickly!

My tank seems to be ok, but the glass in my mirrors is not as tight as it should be. I'll adjust it and they'll sag down over the course of the ride... It would be nice to receive a set of 2012 mirrors as well.
 

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MVs are noted for their "fit & finish" as well as "attention to detail
Which ones?
Anything built in Italy, by hand, is far inferior to something machine built in any other country.

Decent designers tho....



Also get it in writing that the factory will replace the tank under warranty. I think ull be fine but better to be safe than sorry.
 

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Discussion Starter #19
MV responded quickly!

My tank seems to be ok, but the glass in my mirrors is not as tight as it should be. I'll adjust it and they'll sag down over the course of the ride... It would be nice to receive a set of 2012 mirrors as well.
As far as the mirrors go MV is aware of the problems with the MY10-11 mirrors, as I learned on this forum. I told my dealer about it & asked them to submit a claim to replace them with the upgraded mirrors. I know of at least one other member on this forum (racasey) who had his MY10-11 mirrors upgraded, under warranty, to the new style. So if you want the new style mirrors, go to your dealer & ask them to contact MV about getting them replaced.

Cheers,
Glenn
 

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Discussion Starter #20
Which ones?
Anything built in Italy, by hand, is far inferior to something machine built in any other country.

Decent designers tho....



Also get it in writing that the factory will replace the tank under warranty. I think ull be fine but better to be safe than sorry.
True, machines are more precise than a human hand could ever be, but I don't think these tanks are hammered & rolled by hand. I'm sure they are made by some sort of injection molding process. This is simply an example of a manufacturing process gone wrong. Be it initially & not caught at inspection, or due to poor materials that caused the bulges over time. I hope for the prior as I hate to think this is going to be a problem for a multitude of MY10-11 Brutale owners.
I will take your advice & get the warranty replacement offer in writing. Or at least have my dealer forward me whatever email communication he has had with MV.

Cheers,
Glenn
 
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