2002 BMW F 650 GS Logo
Posted on Nov 07, 2010
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I have a 2002 f 650 gs bike starts hard and runs rough and stalls

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Guy Houwens

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Guy Houwens
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What is the mileage on the bike? If it is close to the 55k to 60k km mark, your problem is most likely valve clearances. These will need to have the shims replaced.

Alternatively, as Satguy says, you may have a bad connection to the battery or the battery itself may be due for replacement. These bike will not run with a bad battery.

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  • Posted on Nov 08, 2010
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Check battery condition and especially the battery terminals. Check to make sure that the battery terminal bolts are tight, these bikes are sensitive to voltage fluctuations due to the fual injection etc.

If all is well with the battery connections, what about fuel? Has the bike been sitting for a while?

Post back with more information and I can try to help you further.

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