2011 GSA won't start - BMW R1200GS Forum : R1200 GS Forums
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post #1 of 10 (permalink) Old 18-Oct-2019, 09:30 AM (604) Thread Starter
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2011 GSA won't start

I have a 2011 GSA with 105,000.
For 8 years, I had no issues and then one week, it wouldn't start.
It cranks over fine but it doesn't pop or even sound like it wants to start.
I pulled both fuel injectors and cranked it over and they shot of fuel.
Then I pulled both center spark plugs, grounded them on the engine and they were both sparking
So, it has gas and spark. I am confident it has good compression as nothing had changed sitting in the garage for the week.
So what could it be? What is keeping this bike from starting if the cylinders are getting fuel and spark?
Thank you
Ed
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post #2 of 10 (permalink) Old 18-Oct-2019, 12:54 PM (746)
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A worn out Voltage Regulator?
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post #3 of 10 (permalink) Old 18-Oct-2019, 01:08 PM (755) Thread Starter
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How could a worn out Voltage regulator keep my bike from starting. It has a new battery and it cranks over fine. Plus it is getting spark.
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post #4 of 10 (permalink) Old 19-Oct-2019, 11:30 PM (187)
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Even with fuel and spark, a motor needs to breathe...
- Check all the air intake and the filter for obstruction.
- Check the exhaust for obstruction.

Does that happened overnight or the bike was unused for some time ?


To ignite properly, a precise air/fuel mixture is needed. If the fuel pressure regulator is not working properly, the injectors opens but don't send enough fuel. Is there someone around you with a GS911 (to read error codes or check fuel regulator).

Proud owner of a 2009 R1200GS....
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post #5 of 10 (permalink) Old 20-Oct-2019, 01:03 AM (252)
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Ask dealer how to check crankshaft position sensor. Keep us posted, for me will be interesting and helpful.

R 1200 GS '06
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post #6 of 10 (permalink) Old 20-Oct-2019, 08:38 AM (568)
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Quote:
Originally Posted by flyingdutchman177 View Post
I have a 2011 GSA with 105,000.
For 8 years, I had no issues and then one week, it wouldn't start.
It cranks over fine but it doesn't pop or even sound like it wants to start.
I pulled both fuel injectors and cranked it over and they shot of fuel.
Then I pulled both center spark plugs, grounded them on the engine and they were both sparking
So, it has gas and spark. I am confident it has good compression as nothing had changed sitting in the garage for the week.
So what could it be? What is keeping this bike from starting if the cylinders are getting fuel and spark?
Thank you
Ed
Kick stand switch, or the throttle valve switch, fuel pump electronic or fuel pump. Try those ones.
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post #7 of 10 (permalink) Old 20-Oct-2019, 07:50 PM (035) Thread Starter
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Kick stand switch (its not that), or the throttle valve switch (not sure what this is or what it does. It is getting fuel and spark to the cylinder so I am not sure why it won't even pop), fuel pump electronic (fuel pump was replaced about 5000 miles ago. It gets a strong spray of gas out of the injector when I pulled them) or fuel pump (same same?)
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post #8 of 10 (permalink) Old 20-Oct-2019, 07:53 PM (037) Thread Starter
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ils

Ask dealer how to check crankshaft position sensor.

They said the only way to check this is to replace it with a new one. And they are $300
Does anyone know if when the CPS fails, can it still make the spark plug spark out of time or does it shout down the spark completely?
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post #9 of 10 (permalink) Old 20-Oct-2019, 07:58 PM (040) Thread Starter
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- Check all the air intake and the filter for obstruction. ( I pulled out the air cleaner)
- Check the exhaust for obstruction. (Maybe that exhaust valve is stuck closed????)

Does that happened overnight or the bike was unused for some time ? (It only sat for one week and then it didn't start)


To ignite properly, a precise air/fuel mixture is needed. If the fuel pressure regulator is not working properly, the injectors opens but don't send enough fuel. Is there someone around you with a GS911 (to read error codes or check fuel regulator)

Anyone have a GS911 unit and want to help? The bike is located in Perris CA
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post #10 of 10 (permalink) Old 31-Oct-2019, 10:53 AM (662) Thread Starter
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figured it out

After one year of trying to figure out why my GSA was not starting - when it was getting gas and spark to the cylinders.
Someone suggested that I try to disconnect the battery and then reconnecting it.
I did just that and the bike started right up.
I have no idea why. But it worked.
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