Stalling, running rough, hesitation... - K-Bikes.com - Excellence in Motion
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post #1 of 13 (permalink) Old Aug 7th, 2013, 11:59 am Thread Starter
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Stalling, running rough, hesitation...

Had been riding to Vermont this past week through 8+ hours of solid rain. About 1/2 way, we were in a little town at a stop light and the bike just died. Started it back up but the idle was rough and stalled again between shifts. At first I thought it to be bad fuel, but after running through 3 tanks of fresh fuel the problem persists and appears to be something else. Clearly the excessive moisture brought a problem to the surface.

I managed to limp it home but the issue persists. Bogging, hesitation and missing during "roll on" in any gear, and between shifts. At one point the engine died when shifting between 3rd and 4th gear! Seems to be more frequent after continuing to ride after a stop or refuel. Running extremely rich, so much so that others behind me can smell it. Also evidenced by the large amount carbon deposits on exhaust cap. Now of course after spending 2 nights in my warm, dry garage, the dealer can find nothing wrong - no codes thrown, nothing!

The fuel gauge also "sticks" at full and suddenly drops to 1/2 when the tank is 1/2 full. It is the float type and not the dreaded fuel strip. BTW, the bike surpassed 30K miles and this is the first issue I've ever had with it. Anyone have similar issues? I asked the dealer to keep it and either ride it in the rain or soak it down with a hose to try and reproduce the issue.

-Marc :

* '09 K1300GT (Magnesium Beige Metallic) (Bike #11)
* '03 K1200GT (Orient Blue) (I'll miss you baby)
* '82 Kawasaki GPZ 750 (Bike #12 - Project Bike!)
*** My riders group: Twisties MC ***

"Life throws me lots of curves; I lean into all of them."
-me
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post #2 of 13 (permalink) Old Aug 7th, 2013, 1:01 pm
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Mine occassionlly stalls when going to idle after a prolonged period at high speed.

Lately its been barely idling after same type of run.
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post #3 of 13 (permalink) Old Aug 7th, 2013, 2:13 pm
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I'm not an expert by any means. What is causing it to run rich? Normally these bikes run on the lean side. Could it be the O2 sensor has kicked the bucket? Air intake/filter is clogged? Starving for air could cause it to stall.

Dave
2008 K1200GT
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post #4 of 13 (permalink) Old Aug 7th, 2013, 2:36 pm
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Found this recall that might be helpful. http://www.bmwmoa.org/forum/showthre...300S-2009-2010

Dave
2008 K1200GT
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post #5 of 13 (permalink) Old Aug 7th, 2013, 2:59 pm
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I had a very similar problem on my 13GT after riding it through heavy rain, the bike went back to BMW, turned out to be No 3 Coil Pack had been arcing out which in turn blew the Llambda sensor, mine was fixed under warranty as the bike was only 3 months old at the time.

Tim
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2011 K1300GT
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post #6 of 13 (permalink) Old Aug 7th, 2013, 7:28 pm Thread Starter
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Quote:
Originally Posted by Special-K
I had a very similar problem on my 13GT after riding it through heavy rain, the bike went back to BMW, turned out to be No 3 Coil Pack had been arcing out which in turn blew the Llambda sensor, mine was fixed under warranty as the bike was only 3 months old at the time.
That is exactly what I was thinking as well. It has had all the recall services performed.

-Marc :

* '09 K1300GT (Magnesium Beige Metallic) (Bike #11)
* '03 K1200GT (Orient Blue) (I'll miss you baby)
* '82 Kawasaki GPZ 750 (Bike #12 - Project Bike!)
*** My riders group: Twisties MC ***

"Life throws me lots of curves; I lean into all of them."
-me
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post #7 of 13 (permalink) Old Aug 11th, 2013, 10:51 am Thread Starter
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Here is the solution

SOLUTION:
The charcoal filter cartridge was full of fuel and was essentially blocking the tank from breathing, resulting in all the symptoms I described. The most likely cause of this is over-filling the tank one or more times, something that I am guilty of in the past. I found the solution on the Web of course. New filter cartridge installed, problem solved.

-Marc :

* '09 K1300GT (Magnesium Beige Metallic) (Bike #11)
* '03 K1200GT (Orient Blue) (I'll miss you baby)
* '82 Kawasaki GPZ 750 (Bike #12 - Project Bike!)
*** My riders group: Twisties MC ***

"Life throws me lots of curves; I lean into all of them."
-me
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post #8 of 13 (permalink) Old Aug 12th, 2013, 6:34 pm
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Quote:
Originally Posted by FusionGuy
SOLUTION:
The charcoal filter cartridge was full of fuel and was essentially blocking the tank from breathing, resulting in all the symptoms I described. The most likely cause of this is over-filling the tank one or more times, something that I am guilty of in the past. I found the solution on the Web of course. New filter cartridge installed, problem solved.

Please tell me more....how to do it?
Where do I get the filter? BMW only?

Thanks
Mike
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post #9 of 13 (permalink) Old Aug 12th, 2013, 9:36 pm
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Several earlier Beemers have had this problem too. One solution is simply removing the canister, plugging the vacuum hose, and routing the remaining drain hose down towards the ground. Problem solved, for good . . .

Ken
Pacific NorthWet
'13 Dark Graphite Metallic K16GTLD, 24K miles and counting...
'09 Magnesium Beige Metallic K13GT, 60K miles miles and counting...
'02 Mauve Metallic K12LTC, 106K miles and sold
BMWLT#145, IBA# 366, MOA# 111996, SCMA# 24032

All lower 48 states plus Alaska on the K13GT in two weeks . . .

Some people see the gas tank as half empty. Some see it as half full. All I care is that I know where the next tankful is coming from...
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post #10 of 13 (permalink) Old Aug 13th, 2013, 10:07 am
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OKay Ken I'll do that.

So...Where is the canister...which hose to plug and which is the drain?

Thanks.
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