Water in fuel tank - K-Bikes.com - Excellence in Motion
 
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post #1 of 4 (permalink) Old Jun 6th, 2019, 7:42 am Thread Starter
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Water in fuel tank

Hey,

Has anyone had issues with water finding its way into the tank. I just went on a trip (without a rain cover) and my bike sat out in the rain all night. The next morning it stalled out and I ended up needing a tow. The tank had water in it.

I'm guessing I have a fuel cap issue. Anyone else have this issue?

Doug
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post #2 of 4 (permalink) Old Jun 7th, 2019, 1:04 pm
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Looks like a mess. Did you happen to just purchase fuel when you parked it for the night?

Mount Vernon, WA.
tire guy, I'll mount your tires.
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post #3 of 4 (permalink) Old Jun 14th, 2019, 8:52 am Thread Starter
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No..but I was on reserve. Is it possible that because water is heavier than gas I had water in my tank from a gas station and it only affected me when I got low on fuel and hit reserve?
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post #4 of 4 (permalink) Old Jun 14th, 2019, 10:20 am
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The K bike K12/13, don't have a stand tube like older style bike fuel systems where you rotate a petcock to reserve and now have access to the last of the fuel. BMW just says reserve, meaning a point at which the yellow reserve fuel is now being used. It is all one large sloshing gas tank. Also your bike has only a fine mesh shock at the fuel pump intake. You probably already have but if not, it would be a good idea to research how to open your tank up (off the bike) and dump out everything and clean the tank with some fresh gasoline. All a big mess to do but worth it. So it is possible for this to build up a little before you reach the suction of the pump but not much. Time to think about both your lid seal and where you purchase your fuel.

Mount Vernon, WA.
tire guy, I'll mount your tires.
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