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Discussion Starter #1
Slightly on/off topic, but I have a DL650 with a tool tube. I put my camping fuel in the tube and it leaks when I ride. The internal pressure seems to build up in the bottle and somehow the gas escapes the 'waterproof/leakproof' bottle. The stove is an MSR Dragonfly and so I just use unleaded gas in it which I put in when I fill up the bike.

For all you campers, how do you store your fuel bottles so that they don't leak while you ride? I'd rather not carry a siphon with me.
 

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The only fuel I haven't had leak during transport on the bike are those small screw on canisters like the jetboil takes. I even had one of those green 16 oz butane bottles relieve itself in my saddle bag on a very hot day.

Sorry can't help, but that's one of the reasons I quit carrying a white gas stove.
 

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I carry a small isobutane canister; that usually lasts me the trip and I can buy then everywhere. They are the second most space-efficient thing.

The best is obviously to make your own stove to run on unleaded; you can make one that's very small, and your bike already carries the fuel for it.
The penny-stove design is good and cheap; you can make an awesome gasoline stove from that.
 

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Defective bottle!

An MSR fuel bottle should NOT leak. If it does, you have a bad one or something has worn out. It happens now and then, but it's not normal.

Check the O-ring on the cap (smooth, no dirt?) then check the mating surface on the top of the bottle (should be smooth, no nicks). You can get a new cap for it if the bottle looks good. If you can't find and fix the leak, replace the bottle.

Where did you get it? If from a place like REI with a lifetime warranty, you can take it back for a replacement.
 

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I have two MSR bottles that were purchased a couple of years apart. The caps are not the same. Never had a leak, would take the bottle back if I did (REI).

I am wondering if the leaking bottle was over-filled.
 

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Discussion Starter #6
Thanks for the replies.

MSR Fuel Bottle - Mountain Equipment Co-op. Free Shipping Available
Here in Canada we have a store called MEC (Mountain Equipment Co-op) which appears to be similar to the store you have called REI. This is where I bought the fuel canister from. They said they would take it back or exchange it for a new one - so if this just happens to be a faulty one, then I would be happy to exchange it, but that seems silly if it is going to just leak again... I didn't over fill the tank - just to the fill line on the bottle. Even when it only is 1/3 full it's leaking, but it's tough to tell from where.

Tiki Mon: Thanks for the heads up that they do sometimes leak, so I'll exchange it and hopefully the next one works as it should. I did check the O-ring and it seems to be clean and working as it should, including the mating surface.

Sitting Duck: I also bought the MSR Dragonfly stove which does run on unleaded gas (among other types), but prefer not to carry a siphon with me, which is why I want the bottle to not leak instead of taking the fuel from my tank. I like that when I am done my trip, I can just pour the bottle contents into my bike and fill up the little bottle again when I go on the next trip.
 

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I agree that MSR (or other brand) fuel bottles for use with stoves should not (MUST not) leak, since they are designed to work under pressure from the stove. Even if the bottle were topped up full and allowed to get fairly hot from sun exposure it should still hold pressure. I have two that are over 20 years old, still have original O-rings and caps, never leaked. Yours may have a small irregularity in the neck that compromised the O-ring. Hhhmmm, I just thought, I wonder of the O-rings are designed to withstand ethanol-contaminated unleaded gasoline, since the stoves are designed to burn (in the case of my old International model) unleaded, white gas, diesel or jet fuel, or straight alcohol, but ethanol-bastardized fuel is not mentioned.....?
 

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I also have the same setup as you and like the other posters here have never had an issue with the msr bottle leaking. I would definitely look at returning the bottle, or replacing it at least.
 

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Screw the cap on tighter and if that does not fix it then buy a new O-ring at your local hardware store. O-rings should last 5-10 years.
 

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Just a note on the siphon... Siphoning is easy, and you can do it with a piece of 1/8" tubing... Stick the tube down inside the tank below the fuel level, cap the end, pull some of it out to start the siphon, and she'll flow.

If you prefer, you can get the fuel up into the tube by sucking on it too. Using clear tubing allows you to see the fuel in the tube so you don't ingest it.

When done, you can wipe the outside of the tube off and store it in a ziplock baggie or small hard plastic container. To help keep the fuel smell to a minimum, us a small double-ended tube nipple to connect the two ends together.
 

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Screw the cap on tighter and if that does not fix it then buy a new O-ring at your local hardware store. O-rings should last 5-10 years.
Unless they are on the Space Shuttle.
 
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