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Thread: 2009 R1200GSA innermittent stalling when coasting to a stop.

  1. #1
    Topwrench
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    2009 R1200GSA innermittent stalling when coasting to a stop.

    Hey Guys I need your input on a possible issue with my GSA.

    Here is what happens:
    During a ride when I coast to a stop, I pull in my clutch lever and coast to the stop while down shifting and keeping the clutch in (not letting the clutch out) the bike dies. It's like i hit the kill switch. This doesn't happen every time I ride and it will only happen once or twice when it does happen then go away.

    Here is what I have done to isolate the problem:
    Connected a GS911 to see if a code is locked, no codes.
    During my last throttle sync the throttle body idle actuators were locked out when the sync was checked, no adjustment needed problem still exists.
    Using GS911 calibrated throttle body idle actuators, problem still shows up.
    Trying to isolate or re-create the issue on the GSA, unable to make the issue manifest itself.
    Pulled the idle actuators out to see if there was any issues, none noted.
    I have not done any mods or upgrades to the electrical system or motor control.(Fuel strip just replaced last week, 1st time)
    I have seen this on my Tach during one of the incidents. (There have been a total of 6 times over the past 2 years) When I pull in the clutch the RPM goes to ZERO does not stop at 1100 like it usually does.
    Asked my local dealer if anyone else has experienced this issue. They haven't heard of this issue before.

    Here is the stats on my bike:
    2009 R1200GSA
    32,500 miles
    owned the bike since July 2010 9000 miles on it then.
    Ride 6000 to 8000 miles a year.
    Issue appears in all types of riding, example highway and city and temps.

    Any help or experience will be welcomed and I want to thank you ahead of time for your help in this matter.
    Scott D
    Last edited by deilenberger; 07-28-2013 at 05:11 PM. Reason: Add year to thread title

  2. #2
    not so retired henzilla's Avatar
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    I ride my 09 GSA a lot...however the R12S sits sometimes for weeks. It does this same stall at stops until I get a fresh load of fuel. I now add Marine Stabil and/or Techron if I am not riding it a lot...problem seems to be minimal. Modern fuel blends just do not do well sitting from my experience

    Have reset all systems with GS911 as well the first few times. Still did it if bike sat.
    Steve Henson
    SABMWRA MOA Club#62's Flat Fixer/ current forum moderator
    It's not the breaths you take, but the moments that take your breath away-D.Dillon/G. Strait

  3. #3
    BMW Rider
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    Quote Originally Posted by henzilla View Post
    I ride my 09 GSA a lot...however the R12S sits sometimes for weeks. It does this same stall at stops until I get a fresh load of fuel. I now add Marine Stabil and/or Techron if I am not riding it a lot...problem seems to be minimal. Modern fuel blends just do not do well sitting from my experience

    Have reset all systems with GS911 as well the first few times. Still did it if bike sat.
    This is a good point. Although not mentioned I think most states are now selling ethanol fuel so my comments will be ethanol-related. Ethanol fuel apparently begins to go bad in approximately 30 to 45 days. I don't personally know how accurate that statement is however. Ethanol is known for accumulating moisture and we do frequently see moisture issues within fuel tanks. There is a product by the name of K100 which is designed to resolve the moisture issue. It can be difficult to determine whether additives actually work or not but I am of the opinion K100 is a legitimate product. YMMV.

  4. #4
    Topwrench
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    Quote Originally Posted by henzilla View Post
    I ride my 09 GSA a lot...however the R12S sits sometimes for weeks. It does this same stall at stops until I get a fresh load of fuel. I now add Marine Stabil and/or Techron if I am not riding it a lot...problem seems to be minimal. Modern fuel blends just do not do well sitting from my experience

    Have reset all systems with GS911 as well the first few times. Still did it if bike sat.
    Hmmmm......Could be the issue. However, My bike is ridden just about every week with some exceptions.

    The issue always shows up after the bike has been ridden for a bit ,never in the beginning of my ride even if she sits for a week or so and only happens once and then goes away.

    I usually fill up at the same Chevron station and pump. Non-Ethanol stations in the DFW area far from my location.
    Scott D.

  5. #5
    BMW Rider
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    Quote Originally Posted by topwrench View Post
    Hmmmm......Could be the issue. However, My bike is ridden just about every week with some exceptions.

    The issue always shows up after the bike has been ridden for a bit ,never in the beginning of my ride even if she sits for a week or so and only happens once and then goes away.

    I usually fill up at the same Chevron station and pump. Non-Ethanol stations in the DFW area far from my location.
    Scott D.
    No scientific method here but are you going through at least 1 tank of fuel a month? I doubt my suggestion will do much given your comments but I think it's good advice if you're not burning fuel up within a reasonable time span. It's also inexpensive to try. Always a plus given how much repairs can be.

  6. #6
    not so retired henzilla's Avatar
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    Quote Originally Posted by topwrench View Post
    The issue always shows up after the bike has been ridden for a bit ,never in the beginning of my ride even if she sits for a week or so and only happens once and then goes away.
    same on mine...starts and rolls out fine, then it starts acting up later in a ride. Hard to find non- ehtanol around here as well in CENTEX
    Steve Henson
    SABMWRA MOA Club#62's Flat Fixer/ current forum moderator
    It's not the breaths you take, but the moments that take your breath away-D.Dillon/G. Strait

  7. #7
    Topwrench
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    I refuel every two weeks or so. Sometimes once a week depending on my work schedule. I have found a website which gives the location of non-ethanol gas stations for every state so I will give it a try. Nearest station is 52 miles from my location. It's going to be real rough on me riding 52 miles north on highway 377 stopping for coffee in Denton's town square picking up BBQ in pilot point and filling up in Gainsville Texas home of the fried pie.


    However, I am willing to make the sacrifice and calculate my fuel load so I can get a full tank to see if this is the key to my issue. Let you know how it goes.

    Scott D.

  8. #8
    Rally Rat
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    When was the last time you checked your valve clearances?

  9. #9
    Topwrench
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    Adjusted valves with in the last month.
    Also used a GS911 to lock out the idle actuators during sync. No adjustments made.
    Scott D.

  10. #10
    BMW Rider
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    Quote Originally Posted by topwrench View Post
    I refuel every two weeks or so. Sometimes once a week depending on my work schedule. I have found a website which gives the location of non-ethanol gas stations for every state so I will give it a try. Nearest station is 52 miles from my location. It's going to be real rough on me riding 52 miles north on highway 377 stopping for coffee in Denton's town square picking up BBQ in pilot point and filling up in Gainsville Texas home of the fried pie.


    However, I am willing to make the sacrifice and calculate my fuel load so I can get a full tank to see if this is the key to my issue. Let you know how it goes.

    Scott D.
    Gas will not make any difference in your scenario. However, fried pie may put a smile on your face!

  11. #11
    Polarbear Polarbear's Avatar
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    Do this;

    Isolate the side stand switch and see what happens. Normally the opposite happens, clutch out and this switch will kill engine if stand is down or the switch gets dirty, but? Never know, this side stand thing is a frequent ugly item! One of the few I know that kills the engine. Easy check, 5 minutes. Randy

  12. #12
    Topwrench
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    Okay here's an update:
    found non-ethanol gas and filled up. 75 miles home from fill up no issues. The evening temps were 75 to 83 degrees.
    I really do not believe the issue is the fuel suggestion. Let me clarify why I believe this. This issue rear's it ugly head when the temps are mid-ninety's or higher only happens once then goes away. Because the issue at this moment cannot be duplicated on a regular basis and no codes are flagged, I believe the issue is mechanical or electrical, not a hard fault.

    I will look at the kickstand switch then I am going to clean the throttle body butterfly's and idle actuators.

    Any other suggestion's would be appreciated.

    Thanks
    Scott D.

  13. #13
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    Quote Originally Posted by topwrench View Post
    Okay here's an update:
    found non-ethanol gas and filled up. 75 miles home from fill up no issues. The evening temps were 75 to 83 degrees.
    I really do not believe the issue is the fuel suggestion. Let me clarify why I believe this. This issue rear's it ugly head when the temps are mid-ninety's or higher only happens once then goes away. Because the issue at this moment cannot be duplicated on a regular basis and no codes are flagged, I believe the issue is mechanical or electrical, not a hard fault.

    I will look at the kickstand switch then I am going to clean the throttle body butterfly's and idle actuators.

    Any other suggestion's would be appreciated.

    Thanks
    Scott D.
    I think something fuel-related is happening. The fact that it only happens one time and goes away tends to leave electrical issues out of the picture in my I-am-not-a-pro-technician mind.

  14. #14
    Topwrench
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    Why I believe fuel isn't the issue.
    1. It only happens once after I have been riding for awhile and goes away. (The same fuel is still in the tank)
    2. It usually shows up when the outside temps are in the mid-90's and my bike is good and warm. (Might be heat related)
    3. Too the best of my knowledge it doesn't happen twice with the same fuel load.
    However I was wrong once before, I think? lol
    Scott D.

  15. #15
    BMW Rider
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    Quote Originally Posted by topwrench View Post
    Why I believe fuel isn't the issue.
    1. It only happens once after I have been riding for awhile and goes away. (The same fuel is still in the tank)
    2. It usually shows up when the outside temps are in the mid-90's and my bike is good and warm. (Might be heat related)
    3. Too the best of my knowledge it doesn't happen twice with the same fuel load.
    However I was wrong once before, I think? lol
    Scott D.
    I don't think the fuel is bad. I think the hot temps are preventing the fuel to flow properly. Hey, I've been wrong thousands of times so there really is no reason to think I'm right here.

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