Most likely your fuel pump regulator that is malfunctioning.
It is located under the LHS top panel, more or less in line with the instrument cluster.
SOURCE: I took my 07 1200 GS out for a ride two nights ago
yep!! check your battery cable connections and the connection at the starter solenoid
SOURCE: 2008 bmw gs adventure manual
on the net go to,,,,www.maxbmwmotorcycles.com
there all on there,,,,,trust me on this one!
SOURCE: Hi I was driving my 2008
Hi.
Check if there is power to the dash. If there is no power at all, check battery terminals, battery, then fuse box and ignition. You will need to check voltages in this order, use a test lamp. Ensure that battery cables are well tightened.
If the dash comes on, but the bike does not crank, it is either a problem with spark or with fuel.
If you have not done it yet, test the kickstand switch. The switch can be tested reading Volts at the two contacts with ignition on. If kickstand is up there must be volts on both ends. The part can also be tested by jumping it. Here a picture:
If the kickstand switch is not the culprit, check the fuel pump. Test fuel pressure using a gauge like this:Lisle 20300
Fuel pressure with bike revving a bit will be 40/45 psi.
Check if there is spark when you crank. If there is no spark check distribution.
Have also a look at the throttle potentiometer. See here replacement cover and pot.
Regards.
Ginko.
SOURCE: start and die
Fill up the gas tank, clean the fuel filter, and then check to see if your carb jets are clean. Remove the jets from the carb and attempt to look through them in the light. If you cannot see light through them they need another cleaning.
SOURCE: w/ full tank 1200 gs runs 2or3 seconds then dies _
you might have a bad fuel in your tank or fuel that may have water .
it does happen and all you need to do is to flush your tank and refuell with high octane fuell to clean the entire system .
your carbies will need to be cleaned too .
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