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Thread: Start button dead. Bike won't start. Reply to Thread
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  Topic Review (Newest First)
07-Jun-2011 01:29 AM (270)
Markus88
Dead button R1200GS 2005

Check the clutch switch & the side stand switch. Clean under the red button.
I solve my problem: it was the clutch switch.
03-Feb-2009 01:20 PM (805)
bmwr1200c Have you solve your problem with bike....maybe this link https://www.r1200gs.info/R1200GS-WD2.pdf will help you to solve your problem...
02-Feb-2009 07:01 PM (042)
Sit
Update Kem?

So Ken, any word? Was it a broken wire, did they replace the entire loom?

As for a loose ground, I think with the canbus system, there is no ground.

And if it happens again, demand a new bike? Wow. In all fairness, shouldn't the dealer or BMW be given a chance to fix the thing?
02-Feb-2009 12:33 PM (773)
multiplu if it happens again demand a new bike
28-Jan-2009 11:47 PM (241)
revolverjohn Often intermittant electrical problems are caused by faulty ground connections. Locate the ground points; the battery ground, any ground "trees" or places where multiple wires are grounded and make sure the fasteners or bolts are secure.
30-Dec-2008 02:03 AM (335)
Ken Hi Granite Gray and all, Picked the bike up today. Appears a wire in the loom running from the engine management system to the start relay had a kink in it. Somehow it was kinked during assembly. (Sounds like the cable tie issue), Relpaced the kinked wire to see if this fixes the problem. If so, and I will know within a week or two, then a new loom will be fitted. So lets hope this is it. Mind you it took the mechanic the best part of a day and a half checking it all out, just to try and find something wrong. So as I said fingures crossed and it will be right. Thanks for your help. I will let you know the outcome, so far so good. Ken.
29-Dec-2008 08:50 PM (118)
Sit May not really apply to the 12GS, particularly an 08, buy my 04 1150R had the same problem, alot of them did. Key on, energize system, hit button, nothing at all. Turn handle bars all way to left, nothing, turn full right, instant start, no problems. Culprit was the cable ties were so dam tight, they cut the wire to the stater button. I have not found any overly tight ties on my GS, but you may check yours and see if you may just have a broken wire. Worth a shot and its free.
28-Dec-2008 10:31 PM (188)
Ken
Bike won't start.

I have a feeling the bike shop won't find the cause, as the mechanic more than likely doesn't have enough auto electric skills to track it down. Plus time is a concern for them, and basically they and BMW really couldn't give a s..t. They would just keep changing parts till hopefully it is fixed. I have excellent mechanical and auto electric skills and I am waiting for a friend to lend me his workshop DVD so I can track it down myself, using the schematic drawings for the electrical system. My gut feeling is that there isn't power getting to the start button when it goes faulty. Past experience has led me to beleive that if you want it fixed properly it is best to do it yourself, especially in a case like this. Plus I can have all the tools ready in my top box for when it does decide to s..t itself again and not start. Anyway, if anyone at all reading this thread can give me any more hints at all they are all very much appreciated. Thanks Regards Ken.
28-Dec-2008 12:37 PM (776)
marc So now you (and hopefully the dealer) know that the bad relay was a symptom of a problem and likely not the cause. Good luck tracking it down.

If it were an EWS issue you'd have the warning triangle and EWS! displayed on your console. Also, bypassing the switch as you do to start the bike wouldn't work (well, it might engage the starter but the bike would not start).

If the relay is going bad I'd first think "excessive current" and would measure current draw when the starter is triggered and see how that compares to the spec (assuming I could find the spec).

// marc
28-Dec-2008 02:55 AM (371)
Ken
Start button dead. Bike won't start.

Hi all, I just purchased a 2008 model 1200GS. It has only done 6500K's. It has already been in to the workshop to get the start relay replaced. That was only 2 weeks ago, now it has to go in again as the problem occured again today.

This is the problem: The bike simply will not start at all, when you press the start button. The switch is totally dead. Nothing happens. The problem is intermittent. In other words, if I went out now to start the bike it probably would start. However, in an hour or so after a ride and stop for lunch it may not start. The only way to get it started is to short out the starter motor to the solenoid with a wire or a screwdriver and it starts. I am pretty p....d off as its a $33,000 bike not a 20 year old s..t box car.

Does anyone know what is causig the relay to behave like this, especially as it is an intermittent fault? Could there be something wrong with the start button not sending a signal down to the relay or the solenoid? Could the relay be OK and something else is causing the problem? The computer in the workshop told the mechanic that the relay had, had a problem, although I'm sceptical. Could it be an EWS fault? Would the dash light up and go through the check stages if it was an EWS fault?

Any ideas on this matter would be most appreciated. Thanks in advance. Ken - Wauchope NSW Australia.

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