Some of the F650GS have problems with surging and stalling wich many believes is a problem that has evolved since BMW went from a dual spark plug design (F650) too a single(F650GS). The 2004 model F650GS however has again dual spark plugs, so hopefully this problem will now be history.
For those who has the older version of the F650GS there is a solution that seems to solve the problem. The solution is to shift too a different spark plug. Check out the www.F650.com (and faq.f650.com ) for more specific information.
BTW When I bought my bike a few years ago I was thinking of either getting me an F650 or and Transalp. I ended up with the F650 since the insurance was less than half price compared to the Transalp.
[This message has been edited by spakur (edited 02 February 2004).]
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