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Old 04-08-2015, 09:43 AM   #1
dmmacfarlane OP
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Talking Hesitation before starting

My 2004 1150 GS has a little hiccup where it pauses just before starting. The lights on the dash illuminate with enthusiasm when I turn the key, but they dim somewhat and the bike hesitates before it turns over, like there isn't enough juice to start. I just replaced the battery about 4 weeks ago. Possibly related:
The clock regularly resets as though some jolt of electricity sets it back to zero. I'm guessing on the jolt of electricity idea ... I really have no clue. Thanks.
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Old 04-08-2015, 10:04 AM   #2
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You need to put a volt meter on the battery when you try to start the bike. If it drops below 10 volts while cranking (maybe 9.5 is okay) then your "new" battery is a junker.
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Old 04-08-2015, 10:21 AM   #3
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As stated above it's either a battery headed south or a loose connection, check the battery cables as well.
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Old 04-08-2015, 11:21 AM   #4
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Possible start relay corroded/bad connection?
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Old 04-08-2015, 11:55 AM   #5
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the starter motor on the 1150 is known to lose its magnets. They are glued into place and that glue doesn't hold forever. Replacement parts for the OEM starter are modified to keep the magnet in place by glue and wedging.

If your battery is fine and voltage still drops when starting, your starter could be drawing a lot more power than it used to.
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Old 04-09-2015, 04:04 AM   #6
roger 04 rt
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Originally Posted by GeneralGarden View Post
the starter motor on the 1150 is known to lose its magnets. They are glued into place and that glue doesn't hold forever. Replacement parts for the OEM starter are modified to keep the magnet in place by glue and wedging.

If your battery is fine and voltage still drops when starting, your starter could be drawing a lot more power than it used to.
This is the most likely reason, the other thing that happens it that the cover over the planetary gears inside the starter motor falls on the the armature of the motor. It arcs to the case and produces your symptoms.

Check this. http://www.advrider.com/forums/showt...4#post23251964

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Old 04-09-2015, 10:51 AM   #7
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Charge the battery thoroughly.
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Old 04-09-2015, 11:26 AM   #8
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Very good suggestion to suspect the starter. Also I wanted to take the time to mention that when you get a new battery, before putting it into service charge it for several hours. It gets you up to 100% capacity.
Poorly preforming starter will draw huge current and make you think the battery is bad when the voltage drops more than normal.
Here is a great write up on batteries in general:
http://www.yuasabatteries.com/motor_battery.php
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Old 04-09-2015, 03:14 PM   #9
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These starters really need to be partly dismantled , cleaned and lubed every few years or so, makes a big difference in operation. If you go down this path you can inspect for loose magnets etc.
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Old 04-10-2015, 11:34 AM   #10
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These starters really need to be partly dismantled , cleaned and lubed every few years or so, makes a big difference in operation. If you go down this path you can inspect for loose magnets etc.
Good idea. I'm looking for something to do..... Does my 2012 GSA starter come apart for the same lubrication?
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Old 04-15-2015, 12:45 PM   #11
dmmacfarlane OP
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Laugh Much apprecation

Just wanted to say thank you for the feedback. I think the problem matches the starter motor dying diagnosis. I will replace in the next week or so. Cheers.
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Old 04-15-2015, 01:14 PM   #12
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Replacement part?

One more follow-up question: Where to go for replacement parts? It looks like BMW parts are going to be really expensive, and I can find a replacement starter motor online for about $60. Anybody have recommendations on where to buy and what to look out for? Thanks.
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Old 04-15-2015, 01:23 PM   #13
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Quote:
Originally Posted by dmmacfarlane View Post
One more follow-up question: Where to go for replacement parts? It looks like BMW parts are going to be really expensive, and I can find a replacement starter motor online for about $60. Anybody have recommendations on where to buy and what to look out for? Thanks.
http://www.euromotoelectrics.com/
or
http://www.beemerboneyard.com/
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Old 04-15-2015, 01:52 PM   #14
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brand new Valeo starters are quite expensive. The china fakes are cheap, some people ride them for years without problem, some ride them for a week before they fail. The Valeo starter can be repaired, especially the case holding the magnets is available in a newer improved version. I haven't done it myself yet, I have a china starter as a temporary replacement here and plan to check the one in my bike before my holiday. Doesn't seem to be too complicated...
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Old 04-15-2015, 03:35 PM   #15
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Mike has it right, Euromotoelectrics is a superior place to do business and the price is very good.
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