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Discussion Starter #1
I looked at specs and MV has no info if the gas tank is metal, or plastic. Texas gas stations run ethanol, up to 15% most of the year. Expansion issues are on my mind. Older Guzzis had major issues before 2012 with plastic tank deformation.

I did some search, and MV did use plastic tanks on some models? Still plastic?

Much appreciated.
 

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Ironic. I have the same problem trying to find out if first gen F4 has plastic or metal tank. (at least your thread's now bumped!)
 

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All first generation Brutales have plastic tanks....F4s have metal. I am almost positive all the 3 cylinder bikes have plastic tanks. Easy to tell...open the gas cap and look.

Texas can't have all E15 gasoline. That violates the ethanol laws. E10 is the legal number and any pump with E15 or higher must be labeled as such. Most manufacturers do not recommend any ethanol content higher than E10 on older cars. Some newer can run on up to E85.

Warranty can be voided by using higher ethanol than E10 on almost all motorcycles made. Power equipment such as lawn mowers or string trimmers will be damaged by ethanol and so many gas stations (at least in my area) now sell E0 in 87 octane (some in 90) primarily for lawn maintenance services.

Most power equipment stores now sell premixed high octane fuel in 1 liter cans for use in 2-stroke equipment...chain saws, etc.

Any marina will have E0 gasoline. The marine industry absolutely hates ethanol. Outboards in particular tend to blow up when water permeates the gas due to ethanol presence. Boats live in the water.

This is an ongoing problem that has been discussed ad nauseam .
 

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Esq,

Thanks for sharing your detailed knowledge, much appreciated! The combo of ubiquitous ethanol gasoline blends, and gulf coast, TEXAS humidity concerns me. Any chime in by USA MV triple owners living in very humid climates?

Reminds me of one of the reasons I avoided some Ducati's, plastic tanks. Dang it.

Test ride tomorrow on the Dragster RR, I will chat with the dealer about tank issues.
 

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Test ride tomorrow on the Dragster RR, I will chat with the dealer about tank issues.
I do believe the plastic composition now in use has been reformulated to avoid ethanol induced problems. My 2008 Brutale has never had any issue, and I haven't really heard of any first gen B4 tanks having problems.

That said, I use Startron ethanol treatment in my bikes if they will be sitting with E10 gas for any more than a day or 2.

I've had great results with Startron in the past when I had a Suzuki SV650 track bike with carbs. When I didn't use Startron I would have to clean the carbs before every track day. After I started using it I never had to clean them again.

There are a few ethanol treatments available. I said treatment, not stabilizer; although the some treatments also stabilize the gas for storage.

You can get Startron at Walmart in the boating section, usually much less pricey than what the bike shops charge. It was originally developed for the boating industry as a result of outboard motor failures from E10 gas.

Plastic tanks can also be coated with metal epoxy resins to prevent ethanol damage. Visit KBS Coatings web site for a good coating. I've used it on multiple tanks, including carbon fiber and plastic with great success.
 

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Discussion Starter #7
Esq,

Much thanks for comment on Startron. Dealer inquiry resulted in their recommendation of a product called K100 -- fuel treatment designed to encapsulate water molecules and burn them. Hence, plastic tank expansion issues reduced. Your experience with your Brute is meaningful to me. This could have been a deal killer given what I have seen on some bikes.
 

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K100, Startron, Stabil Marine with Ethanol treatment...they all work by encapsulating water.
 

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The fuel tank swelling problems really began when MV started the later generation bikes and used Acerbis as the supplier....same supplier as Ducati and others who also had ethanol deformation issues....

As far as I know the earlier Brutales (like mine) used a different supplier (and plastic) because deformation was never a problem with those bikes.
 

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The fuel tank swelling problems really began when MV started the later generation bikes and used Acerbis as the supplier....same supplier as Ducati and others who also had ethanol deformation issues....

As far as I know the earlier Brutales (like mine) used a different supplier (and plastic) because deformation was never a problem with those bikes.
Agreed Ed. My 2006 Brutale 910R never had any tank expansion issues. You are correct the 2010+ models use Acerbis tanks of which I have replaced 2 on my '12 1090RR. Too bad they changed suppliers from the gen 1 Brutales.
 

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?

Bubbled paint on my '08 Brutale 910R.......
Junk plastic......these are reflections of 8 foot fluorescent lights .....they should be even curves

>:)
 

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