Run out of Fuel? - BMW Luxury Touring Community
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post #1 of 11 Old Aug 31st, 2016, 3:40 pm Thread Starter
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Run out of Fuel?

I'm sure this must have been discussed before on this forum, but my search yielded no threads. I have a 2002 K1200LT. If it runs out of fuel while riding will that cause other problems? Can I just fill the tank again and go, or are there other procedures that need to be done first?
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post #2 of 11 Old Aug 31st, 2016, 4:03 pm
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Re: Run out of Fuel?

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Originally Posted by fredtman View Post
I'm sure this must have been discussed before on this forum, but my search yielded no threads. I have a 2002 K1200LT. If it runs out of fuel while riding will that cause other problems? Can I just fill the tank again and go, or are there other procedures that need to be done first?
Just fill it up again. I would turn the key on, let the pump prime and then shut it off without starting. Do that a few times before hitting the start button to try and purge any air from the fuel rail but you shouldn't have any trouble.
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Sugar Hill, GA
2001 K1200LTI Champagne (current ride) Lazy Susan
1998 R1100RT Never should have sold it
1974 Yamaha TX 750 Twin. Omni Phase Balanced


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post #3 of 11 Old Aug 31st, 2016, 6:32 pm
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Re: Run out of Fuel?

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Originally Posted by fredtman View Post
I'm sure this must have been discussed before on this forum, but my search yielded no threads. I have a 2002 K1200LT. If it runs out of fuel while riding will that cause other problems? Can I just fill the tank again and go, or are there other procedures that need to be done first?
I haven't run my LT out, but I have cars that have in tank pumps like the LT and they self-prime and fire right up. I would not anticipate that you would have any problems.

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post #4 of 11 Old Aug 31st, 2016, 7:20 pm
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Re: Run out of Fuel?

I did it once - no issues.

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post #5 of 11 Old Aug 31st, 2016, 7:23 pm
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Re: Run out of Fuel?

Quote:
Originally Posted by fredtman View Post
I'm sure this must have been discussed before on this forum, but my search yielded no threads. I have a 2002 K1200LT. If it runs out of fuel while riding will that cause other problems? Can I just fill the tank again and go, or are there other procedures that need to be done first?
As stated by others (BMWCoolK1200 , Voyager, JZeiler), there is no issues other than possible delay (few seconds) in restarting because of fuel-rail (and hose) being full of air.

During my 14 years of ownership (91,000 miles) I did actually push my luck far enough to try it ONCE (ran tank empty at 1 miles from a gaz station).

HOWEVER given the design of these EFI system I would suggest NOT to do many repeat of running empty as fuel-pump is cooled by fuel circulation. Too often and you risk reducing life of fuel-pump.

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K1200RS (2002 IceBlue/Red - 96,000 miles)
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post #6 of 11 Old Aug 31st, 2016, 9:54 pm
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Re: Run out of Fuel?

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HOWEVER given the design of these EFI system I would suggest NOT to do many repeat of running empty as fuel-pump is cooled by fuel circulation. Too often and you risk reducing life of fuel-pump.
How much fuel is required in the tank to keep the fuel pump submerged for cooling? It is not uncommon for me to pump 5.5 to 6.0 gallons of fuel to fill the tank.

Rob, 2000LT
Navarre, FL
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post #7 of 11 Old Aug 31st, 2016, 11:24 pm
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Re: Run out of Fuel?

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How much fuel is required in the tank to keep the fuel pump submerged for cooling? It is not uncommon for me to pump 5.5 to 6.0 gallons of fuel to fill the tank.

Rob, 2000LT
Navarre, FL
I think someone recently said the low fuel light comes on with a gallon left. The pump is mounted pretty low so with only a gallon in the tank, a good part of the pump will be exposed. Keep in mind though, the pump is also constantly pumping fuel through it as the regulator will bypass any fuel beyond what is necessary to maintain the 50PSI working pressure and that will also carry away some heat. The picture is with almost no fuel in the tank so it would be higher than that but probably only a few inches. Specs say that the usable fuel volume is 6.34 GAL US
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Gordon
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2001 K1200LTI Champagne (current ride) Lazy Susan
1998 R1100RT Never should have sold it
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Last edited by bmwcoolk1200; Aug 31st, 2016 at 11:30 pm.
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post #8 of 11 Old Sep 1st, 2016, 8:26 am
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Re: Run out of Fuel?

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Originally Posted by Fun Bobby View Post
How much fuel is required in the tank to keep the fuel pump submerged for cooling? It is not uncommon for me to pump 5.5 to 6.0 gallons of fuel to fill the tank.

Rob, 2000LT
Navarre, FL
Enough for the pump to pump. As Sailor said, better not to run dry often, but as long as the pump can pick up fuel it will be lubricated and cooled sufficiently. The cooling is primarily from fuel passing through the pump not around it.


http://www.autohausaz.com/html/fuelpumps.html
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post #9 of 11 Old Sep 1st, 2016, 6:26 pm
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Re: Run out of Fuel?

It happened to me - at the top of the hill.

Roll down to garage. Fill up. Pay. Start engine. Ride on.

Simples.

(Simples is a UK joke based on an advertising campaign involving Meerkats with a Ukranian accent.)
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post #10 of 11 Old Sep 1st, 2016, 7:20 pm
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Re: Run out of Fuel?

Quote:
It happened to me - at the top of the hill.

Roll down to garage. Fill up. Pay. Start engine. Ride on.

Simples.
I had that happen on my 2010 R1200GSA...rolled down to the gas station, filled it up. I could only get 9.95 gallons in it

Patric Blackman
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post #11 of 11 Old Sep 1st, 2016, 9:08 pm
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Re: Run out of Fuel?

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I had that happen on my 2010 R1200GSA...rolled down to the gas station, filled it up. I could only get 9.95 gallons in it
There is just no excuse to run out of gas on a bike with a 10 gallon tank!
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2007 K1200LT "Starship Enterprise", VOICE II, Navigator V, Motorrad Communicator
1987 Kawasaki Voyager XII
1976 Kawasaki KH400
1973 Kawasaki 100 G5
1970 Rockford Chibi (the orange one)

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