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Old 10-20-2013, 10:26 AM   #1
The Island OP
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Odd starting issue

Hey folks,

I have been experiencing some strange issues when starting the f800. When I start it, it will begin the dial sequence and then try to start for a half second. Then the instrument cluster does dark and then the bike starts up — all while I have my thumb on the starter. It's as if the starter is being released way too soon. Battery is not low, either. The bike sits fully charged and tendered over night in my garage and will do this on first start up & after filling up during a 500KM trek.

Anyone have any experience with this? Reading thought the comments in the video, it would seem if it was the stator.

Here's a video of what exactly is happening.
http://www.youtube.com/watch?v=ZUf_bkyXXvs

thanks!

The Island screwed with this post 10-20-2013 at 11:24 AM
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Old 10-20-2013, 11:13 AM   #2
dpm
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Low battery.
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Old 10-20-2013, 11:23 AM   #3
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Low battery.
Battery is not low forgot to mention this (I have edited my post). The bike sits fully charged and tendered over night in my garage and will do this on first start up & after filling up during a 500KM trek.

Thanks.
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Old 10-20-2013, 11:25 AM   #4
Loutre
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I'd guess your stator is not charging your battery but since your GS is from 13 that seems odd.
Have you checked if your battery connections are right? Had that problem once on the road, the cables were a bit loose.

Seems like it's time to call your dealer for warrenty :o)
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Old 10-20-2013, 11:45 AM   #5
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Originally Posted by Loutre View Post
I'd guess your stator is not charging your battery but since your GS is from 13 that seems odd.
Have you checked if your battery connections are right? Had that problem once on the road, the cables were a bit loose.

Seems like it's time to call your dealer for warrenty :o)
Yea, I have been there. They weren't able to replicate the issue at the dealership. Happens 90% of the time, heha. Go figure. They said, from my description, it sounds like a faulty battery. It made sense however, now that it's fully charged, I can't seem see how it could be. Then again, I don't know anything about electros.

They want to keep my bike there for a few days to check the battery but given it's my only vehicle thats not going to happen.
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Old 10-20-2013, 11:50 AM   #6
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well seems like some bad connections =/. Have you had a look inside? Hope that it's only that and not a stator issue. Not so quickly, wait to have at least 40k km on it
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Old 10-20-2013, 11:54 AM   #7
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I see two things here.....and the bigger one is the fact that the engine is not turning over very fast....ie. like a low charged battery. I would start by taking the airbox cover off remove the battery connecters...and make sure that they connect 100% .
Also look for a loose cable inside the cable shoe.
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Old 10-20-2013, 12:05 PM   #8
The Island OP
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Wait, if I had a full charge in the battery, wouldn't it mean that I shouldn't see this problem if we are talking about the stator? The stator's job is to get juice to the battery and if the battery is topped up from being on a tender all day, and the problem still persists then, I can probably rule out that, right?

Hmm. Ill take a look inside later today. I had it open a bit ago and everything was tight. Everything was checked by BMW on Friday and was okayed, with the exception of the battery — they said it was low but that was because it hadn't been charging and sitting outside all day.

All charged up now with same issues.

Ill give it an uneducated look over to see whats going on. Push comes to shove, this bike is going to the shop.

The Island screwed with this post 10-20-2013 at 12:12 PM
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Old 10-20-2013, 12:14 PM   #9
Loutre
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they said it was low but that was because it hadn't been charging and sitting outside all day?

Wtf, since when does a battery go low as soon as it's sitting outside all day o0. I use my bike once a week since it's 12kms away from me and charge it once every month when I'm able to get a socket and it doesn't go low like this o0. Still using oem battery from 2010.
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Old 10-20-2013, 01:48 PM   #10
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Battery is not low forgot to mention this (I have edited my post). The bike sits fully charged and tendered over night in my garage and will do this on first start up & after filling up during a 500KM trek.

Thanks.
WEAK battery will do that. You can, of course go on for days or weeks arguing the point, but it's MOST likely that the battery has sulfated up, and is at the very end of it's useful life.
You could have the battery LOAD tested at your local Auto Electric shop, most probably free of charge (haha) ..
The "good" grey colored DEKA ETX14 should only cost you around 80 or 90 dollars, and would be a good investment in the future reliability of your bike.
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Old 10-20-2013, 02:04 PM   #11
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Your battery is dying. Simple.

If the connections are tight and the battery is showing full charge but stumbles on the start then it's losing it's capacity. OEM batteries are crap, you're under warranty. The stator doesn't come into play til it's up and running. Mine sat a month and just carried on like it was nothing.

If it comes to it, Saskbattery.com sells the Deka for $99 shipped Canada wide. I bought 2 this year.
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Old 10-20-2013, 02:32 PM   #12
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As always, thanks for the replies everyone. I really appreciate it. I'll keep your battery suggestions in mind and perhaps buy one soonish instead of having to go without my bike while they try to diagnose the battery at their end.
-g
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Old 10-20-2013, 02:33 PM   #13
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I am having EXACTLY the same problem only mine is a 09 F650 that still has the original battery in it.

Looks like I should probably consider replacing the battery before it leaves me stranded.

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Old 10-20-2013, 08:28 PM   #14
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As always, thanks for the replies everyone. I really appreciate it. I'll keep your battery suggestions in mind and perhaps buy one soonish instead of having to go without my bike while they try to diagnose the battery at their end.
-g
I just watched (listened ) to your VIDEO.
Your battery is weak, and producing insufficient cranking amps.
You can either have it LOAD tested, by a competent Auto-Electric technician, or you can BUY a new battery, and very likely cure your starting issue.
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Old 10-21-2013, 08:16 AM   #15
JoelWisman
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Low battery is possible if your battery charger is faulty or hooked up wrong.

Low battery is also possible if your bikes canbus computer is glitching and staying on sometimes when the key is off which is an issue BMW is in the 4th year of having on the K7x platform.

Your battery could be failing in which case all the charging in the world won't fix it.

It could be a bad connection, possibly the annoying "BMW forgot to mill the enamel off of the engine ground boss.

Here's what I would do.
1: Read the instructions on your charger carefully and confirm it is truly indicating your battery is fully charged. Make sure the charger is either connected directly to the battery or if connecting through the euro accessory socket, is a BMW branded charger. Confirm the charger is connected to an outlet that is not controlled by a light switch.

2: your battery could be failing. Have your battery load tested at 200 amps on a traditional variable load tester at an automotive repair shop. Do not try this at a motorcycle repair shop as fewer then 1 in 100 have the equipment or know how to use it. Absolutely do not bother to solicit a BMW motor cycle dealerships opinion of your battery. With the super rare exception, BMW motorcycle technicians wouldn't know the difference between an amp and an ohm if it bit them on the ass. Further the tester they are required to use is useless and passes totally failed batteries regularly. You might also ask to see the bill of lading that indicates when your motorcycle arrived at the dealership. The dealer has it in the color file with your VIN on it. It is in a file cabinet alphabetized by VIN and easy to find unless the dealership is in material breach of their franchise agreement so don't let them tell you they don't have this lol. Do the math of when you bought the bike. The dealership is supposed to charge the battery monthly as the bike sits in inventory but they rarely do, so if your bike arrived at the dealership more then 3 months before you bought it then a failed battery is probable.

3: you have already checked the battery connections but one other connection is problematic. There is a ground connection to the engine that carries all current to and from the battery. It's on the left forward part of engine just above the oil cooler. It's one or two large brown wires under a bolt with a 10mm head. Remove this bolt and make sure the top of the engine boss is shiney bare aluminum. Rotax forgot to blast the engine enamel off some of these bosses and when that's the case it causes all maner of electrical gremlins including failed ecus but also the symptoms you are describing. When the bikes new current flows from the bolt threads to the engine threads but since the bolt is SS and engine AU galvanic corrosion accurs over time increasing resistance and causing gremlins. When the boss is properly bare the electrical connection is from ring terminal to AU boss and no galvanic corrosion occurs.

Everyone should check this connection as above as it is the cause of numerious gremlins that electrically retarded BMW motorcycle master technicians never do find. If you are the sort that wants a BMW dealership to do everything then take your bike to a BMW car dealership. It will amuse them greatly but yeah, I've been on both sides and the car side training is 10x as good.

Good luck and many happy miles.

P.S. The BMW car side has a battery tester that can test motorcycles with 100% accuracy versus the tool the motorcycle side has to use which false passes around 90% of the time. Just tell the car side guys it's a 12 amp hour 200 CCA battery. You might also point out that the battery is under the top cover to save them time looking for it :)
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