Surging and Stalling Basics Please read the Disclaimer before attempting any work in this FAQ. Make: BMW MOTORCYCLE Model: F650GS DAKAR Service Bulletin Number: 1300101006 Bulletin Sequence Number: 200 Date of NHTSA Item Number: SB620019 Summary:  THIS SERVICE BULLETIN HAS BEEN ISSUED TO GIVE DIAGNOSTIC INFORMATION RELATING TO VARIOUS DRIVEABILITY ISSUES. ABOUT HESITATION, SURGING AND STALLING WHEN THE ENGINE IS OPERATED AT LOW TO The 2001 F650, GS or Dakar can be a great bike. There are those who love theirs and never had any problems. units, BMW claims the number is one in six, can be a nightmare of surging andBefore you buy from a dealer, it is suggested that you investigate the lemon laws in the relevant state for 650cc motorcycles. widely and you would be best served to understand your rights and responsibilities before you get involved. Before you buy from anyone (new or used), you should arrange to ride the EXACT BIKE you will be purchasing.

surges and/or stalls, RUN away. The dealer will likely tell you that it will break in by the 600 mile check-up (~US$350 additional out of your pocket). him to put that in writing with a clause that you can return it for another example if YOU find it misbehaves. (The dealer will tell you the surging and stalling is operator error.) Better yet, find an example that does not behavePost-January 2001 date of manufacture units (see sticker on steering head) seem to be less affected. BMW fuel injection programming has passed version 3.0, installed using programmer software v.9.x. Some folks have had good luck changing to an R1150 injector (~$110) and drilling a couple of holes in the air intake snorkel. This may or may not be covered under warranty, depending on how informed/intelligent your dealer is and how generous BMW is feeling the day your claim arrives. BMW has not figured out this fuel injection thing 100%, yet. What does it Feel Like.?

"a mild pulsing of the power delivery at a constant rpm somewhere in the 3-4k rpm range." One item of note about this surging. used the term surging for what I would have normally described as a "stumble" since it seems that this is the preferred term. chippewa boots motorcycle styleThe engine momentarily cutsrst motorcycle clothing for sale out and it can be severe enough to create a driveline backlash that some wouldmotorcycle dealers in dutchess county nyMost of it was removed during the FI programming updates thatmotorcycles for sale eastbourne

were completed (thru 10.1) but it still remained noticeable even in it'sHaving ridden most of my life I find that that behaviour was un-acceptable and always wanted to go in and fix it. Unfortunately I am not up to date on the electronics that current bikes have and I am now at the mercyatv for sale cape cod of a good dealer. drag race motorcycle philippines 2012This is my 1st BMW with fuel injection but my Harley hasrental motor di ubud bali always run perfectly (1st year of twin-cam motor with fuel injection) and expected nothing less from BMW. I have a few bikes and now they all run justI think that the F650GS is now possibly the most fun "all around" bikeThere seems to be something of a "stigma" attached to the 650's

as though they should only be ridden by beginners. I completely disagree withI could have gotten a R1150GS but then it wouldn't have been as much fun on all of the fire trails we have around here (of course, I haven't done much of this riding yet). Refer the FAQs on the GS Stalling/Surging issue, accessible from the System Index Page, for more detailed information. Early F650GSs (both the regular GS and Dakar version) were plagued with stalling and surging problems. typically occurred at idle or upon deceleration. The surging would generally occur between 3,500 and 4,000 RPMs. The US-spec bikes, which had more stringent emissions controls, were most prone to these problems, although ROW (rest of world) owners have reported similar problems. BMW has responded relatively promptly to customer complaints. bikes produced after the 4th week in January, 2001, were fitted with a different fuel injector (the one that is standard of the R1200C and other

models), and the BMS Compact (the engine computer) was updated with new software to work with the new injector. There have been very few reports of surging and stalling from owners of this "new production." considering the purchase of a GS should endeavor to ascertain the production date (stamped on a plate on the steering head), and buy a post January 2001 as earlier bikes are concerned, BMW has offered to update the computer under warranty, WITHOUT changing the injector. This has resulted in significant improvement for some, marginal (and nonexistent) improvement for others. Although BMW has not offered to provide all older production bikes with the new injector under warranty, many individual owners have reported that their dealers have covered such parts and labor under warranty. warranty or not, many owners have reported a dramatic improvement with the new injector and software, resulting in elimination of all surging and stalling,