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post #1 of (permalink) Old Sep 16th, 2010, 10:37 am Thread Starter
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Join Date: Jul 2007
Location: Atlanta, GA, USA
Posts: 1,423
SF tank expansion poll

Due to the increased discussion on this, let's take a poll of how many *US* owners of the Streetfighter, have noticed any tank expansion problems from the use of ethanol in their gas.

This is mainly a US issue, as our government felt it made sense to take corn meant for food and put it in our gas tanks, but that is another issue. :-)

The Sport Classic owners, of the 400 that answered the poll, have a 66% rating in the "Yes" column. Many Monster and even Superbike owners have had the same issues.

But we want to get an idea of how many US Streetfighter owners are seeing their tank start to swell and distort.

Check to see if when you turn the bar all the way to each side, is there still a gap between the top of the triple clamp and the tank? Or is it making contact?

Looks for bulges and swells along the side of the tank. Or if you removed the tank for any reason, was it hard to remount it because the bolt hole no longer lines up properly?

Do you notice more of a gap around the edge of the key guard cover? if you remove that cover, is your radiator filler cap gouging into the inner wall of the tank?

If you answer yes to any of these, than your tank is 99% likely to be expanding and we want to know about it.


- 2009 Ducati 1198
- 2011 Triumph Speed Triple 1050
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