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Discussion Starter #1
I have an auxiliary fuel cell (see Tourtank.com) I want to connect into the main tank of a '09 V Star 950 (fuel injected, main fuel pump inside the tank). The aux cell has a valve on the outlet with a 1/4" barb hose connector. It looks like I could just put a Tee into the fuel return line on the left side of the bike and connect the gravity feed from the aux cell to the Tee.

Has any one done this? If you connected your Aux fuel cell differently, how and where did you connect?

Thanks for the help.

Galen
 

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Where are you mounting this Tour tank? If it were me, I would be mounting as low as possible on the bike and use a pump to refill the main tank when it gets low. The added weight, if put up on a rear rack or seat will alter your handling considerably.

The other alternative, if you really want added capacity, would be to just get a bigger main tank. You would probably need to either adapt something from another bike, or even have one made.
 

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Discussion Starter #3
Thanks for your advice. I'm mounting it over the passenger seat, anchored to the sissy bar and subframe. It weighs less than 30 lbs full of fuel, which is 1/4 of the usual passenger weight, and it won't move around or get a sore butt. ;-)

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No, it won't move around or get a sore butt, but the gas inside will slosh around some. Myself, I just wouldn't do it. I would find or build a larger main gas tank. I did this on my old BMW many years ago. Went from a 5 gallon to a 10 gallon Hoske tank. They were pretty common back in the day.

But, that being said, I think that if you must go this route, the easiest method to transfer the fuel would be a proper pump and hose.
 

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I carry a small gallon in my saddle bag that is just fine for me...

Don't worry about the tank being to much there its still practically in the driver triangle at that point...

You would have to get it to the return line as the pump is enternal it wont get any gas if you don't get into the tank some way.

The old school method of just puttin gat the petcock wont work for you as you don't have one. Make sure it pulls gas into it first before mounting it solid and then your stuck with something that doesn't work.
 

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Many years ago when I was taking flying lessons, my instructor (who was also a charter pilot) made the comment that most people have about a two-hour bladder. When he planned a charter flight he planned "fuel stops" about every two hours to allow for that. Seems to me the same applies to motorcycle touring. While it is nice to have a really long fuel range, you are still going to be stopping every so often to empty yourself. Unless you are going to travel in places where fuel stops are few and far between, the extra fuel tankage isn't really much of a concern.
 

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Personally, it's annoying when I'm out with a bunch of sport bike riders who have high compression and get 50+ MPG and have 6gal tanks or so. 1300 <5 gals
In these parts, sport bike riders aren't known for their long distance rides

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It has been my limited observation that most motorcycles have a fuel range from 100 to 150 miles to reserve or "low fuel" warning, then perhaps 30 or so miles after that. I'd almost say they have a "design center" fuel range of about 125 miles. Bikes with bigger fuel tanks seem to get worse mileage. Looks to me as if that 125 miles is just about two hours, except on the Interstate. My 250 Ninja seems to be an exception, having a range of about 220 miles to reserve.
 

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Discussion Starter #13
I wasn't trying to start a thread on the advisability of an aux tank. I already have it... because I want it. But I would like to find someone who has already connected one to a vstar 950 or the similar vstar 1300. How did you tie it in?

Thanks,
Galen
 
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