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2011 R1200 GS - Engine surging after synchronization - please help!!!

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David McDougall:
Hi Stephan,

My original post included an AutoScan (at least I think I attached it correctly).  Do you want to send you one since I solved the problem?  It appears to be the same as before (i.e. no fault codes).

Best regards,

Dave McDougall

Beemerboy:
Hello,

what I like to know:  Is there any improvement in idleling since you balanced your bike with the help of the GS911 ?

David McDougall:
Well, I didn't actually make any mechanical adjustments to the bike at all as the differential pressures were within spec.

That said, there is an improvement though...perhaps related to the re-setting of the adaptation values, or one of the other GS-911 calibrations that I did.  Over the last few months, I had been noticing a slight "stumble", almost to the point where you'd think the engine was going to stall (but it never did, except for one time), when pulling away from standing start in first gear, especially if I let the clutch out quickly and\or "didn't give the bike enough gas".  Happily, that "stumble" has now completely disappeared and the bike is running as good as it ever has.

jeffkyle:
Thanks for posting this.  I have a 2012 RT, with 40k miles.  Changed the plugs, checked the valves, used the GS-911 to park the idle actuators and did the throttle body sync.  When I finished, it was like the GS-911 did not release the idle actuators.  The bike would not idle.  I logged the data if someone wants is... it was idling real rough at about 750 rpms and would die....  if I revd it up to about 1500 or 2k, it ran fine.... 

After reading this post I reset the adaptations and it fixed the problem... 

One of the great things about this forum... sharing the knowledge learned.... thanks..

jwatkins80504:
I just experienced the idle problem described here on my 2011 R1200GS following the GS911 throttle sync procedure. GS911 software version 1707.2. I fixed it by resetting the adaptations as mentioned in this thread. I've done a throttle sync before without incident; not sure why it failed this time. During the procedure I experienced a failed WiFi connection to the device. So I wasn't able to complete the procedure properly. I "hardwired" the device over usb and re-started the procedure again. The procedure seemed to go ok, but I ended up with idle problems when I later tried to do a cold start of the bike. Thanks to people for posting a solution.

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