BMW K bikes (Bricks)

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1Back to top Go down   Bike wont start, only click Empty Bike wont start, only click Fri Mar 16, 2012 5:02 pm

fearlesspk

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Hey everyone,

So i just put in a new battery and oil and the bike hasn't been started since 2007. When I try to start it it wont crank it just makes a loud click when I hit the start button. Any ideas what this can possibly be?

    

2Back to top Go down   Bike wont start, only click Empty Re: Bike wont start, only click Fri Mar 16, 2012 5:09 pm

Inge K.

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What you could start with, is to measure if you got any power to the positive terminal at the starter....when the button is pushed.

Inge K.


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Inge K.
K100RS -86. (first owner), K1100LTSE -94.
    

3Back to top Go down   Bike wont start, only click Empty Re: Bike wont start, only click Fri Mar 16, 2012 5:11 pm

fearlesspk

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Ok, I will check that. I will have to wait a few days to get a tester. thanks

    

4Back to top Go down   Bike wont start, only click Empty Re: Bike wont start, only click Fri Mar 16, 2012 5:24 pm

charlie99

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@Inge K. wrote:What you could start with, is to measure if you got any power to the positive terminal at the starter....when the button is pushed.

Inge K.

+1


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cheezy grin whilst riding, kinda bloke ....oh the joy !!!! ...... ( brick aviator )

'86 K100 RT..#0090401 ..."Gerty" ( Gertrude Von Clickandshift ) --------O%OBike wont start, only click Au-log10

'86 k100 rs.. #######..  "Fred " (f(rame) red ) ( Fredrick leichtundschnell ) - -
bits and pieces from many kind friends across the k100 world ...with many thanks ..
    

5Back to top Go down   Bike wont start, only click Empty Re: Bike wont start, only click Fri Mar 16, 2012 5:26 pm

Inge K.

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If you don`t have a instrument........does the headlight dim much when you pushing the starter button?


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Inge K.
K100RS -86. (first owner), K1100LTSE -94.
    

6Back to top Go down   Bike wont start, only click Empty Re: Bike wont start, only click Fri Mar 16, 2012 5:27 pm

fearlesspk

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Yes, when I push the button the headlight goes off and back on when I release the button.

    

7Back to top Go down   Bike wont start, only click Empty Re: Bike wont start, only click Fri Mar 16, 2012 5:38 pm

Inge K.

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Then you probably get power to the starter....but enough?

Could also be bad ground.....could try a jumper cable between battery negative terminal and a good ground point at the engine.

Something seized?.....put in 2 or 3 gear and try to turn the back wheel.

It would be easier with a instrument available.

Could also be bad connection at the brushes.......try to turn the wheel backwards about a turn (2 or 3 gear), then try to push the starter button.



Last edited by Inge K. on Fri Mar 16, 2012 5:45 pm; edited 1 time in total


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Inge K.
K100RS -86. (first owner), K1100LTSE -94.
    

8Back to top Go down   Bike wont start, only click Empty Re: Bike wont start, only click Fri Mar 16, 2012 5:40 pm

fearlesspk

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Do you know what the silver box above the battery controls? its like a brain box or something

    

9Back to top Go down   Bike wont start, only click Empty Re: Bike wont start, only click Fri Mar 16, 2012 5:47 pm

Inge K.

Inge K.
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That`s the injection ECU.


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Inge K.
K100RS -86. (first owner), K1100LTSE -94.
    

10Back to top Go down   Bike wont start, only click Empty Re: Bike wont start, only click Fri Mar 16, 2012 5:47 pm

fearlesspk

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Could that have anything to do with the problem I am having?

    

11Back to top Go down   Bike wont start, only click Empty Re: Bike wont start, only click Fri Mar 16, 2012 5:49 pm

fearlesspk

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The previous owner said he thinks it might have touched the negative battery terminal and there was a spark

    

12Back to top Go down   Bike wont start, only click Empty Re: Bike wont start, only click Fri Mar 16, 2012 5:51 pm

Inge K.

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You need to have it connected to get fuel to the engine, but your starter should still have turned.


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Inge K.
K100RS -86. (first owner), K1100LTSE -94.
    

13Back to top Go down   Bike wont start, only click Empty Re: Bike wont start, only click Fri Mar 16, 2012 5:54 pm

fearlesspk

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Ok, i guess I will just have to test what you told me before. Any pointers for testing it or what I should expect when I test it? I need a multimeter correct?

    

14Back to top Go down   Bike wont start, only click Empty Re: Bike wont start, only click Fri Mar 16, 2012 5:55 pm

Inge K.

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@fearlesspk wrote:The previous owner said he thinks it might have touched the negative battery terminal and there was a spark
Then it rather would have been the positive terminal, and it could be that it`s toasted.


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Inge K.
K100RS -86. (first owner), K1100LTSE -94.
    

15Back to top Go down   Bike wont start, only click Empty Re: Bike wont start, only click Fri Mar 16, 2012 6:04 pm

fearlesspk

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Ok, thanks, I will have to test both.

    

16Back to top Go down   Bike wont start, only click Empty Re: Bike wont start, only click Fri Mar 16, 2012 6:20 pm

Inge K.

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Compare the voltage between battery positive terminal and starter terminal under load.
If it`s more than ~0,8 volts difference, your starter relay is the problem.
Also compare the battery voltage when button is pressed and not.
If it drops ~2 volts or more, something is seized.
If it`s only a small drop it`s a problem in the starter circuit, or the starter itself.


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Inge K.
K100RS -86. (first owner), K1100LTSE -94.
    

17Back to top Go down   Bike wont start, only click Empty Re: Bike wont start, only click Fri Mar 16, 2012 6:22 pm

fearlesspk

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Ok, thanks. This will take a few days to get the tools. I will update you with the results when I get them. Thanks so much

    

18Back to top Go down   Bike wont start, only click Empty Re: Bike wont start, only click Sat Mar 17, 2012 1:36 am

charlie99

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could be worthwhile just undoing the earth connection at the crankcase ...clean up the connector and surfaces then bolt her up again .....(common issue)


__________________________________________________
cheezy grin whilst riding, kinda bloke ....oh the joy !!!! ...... ( brick aviator )

'86 K100 RT..#0090401 ..."Gerty" ( Gertrude Von Clickandshift ) --------O%OBike wont start, only click Au-log10

'86 k100 rs.. #######..  "Fred " (f(rame) red ) ( Fredrick leichtundschnell ) - -
bits and pieces from many kind friends across the k100 world ...with many thanks ..
    

19Back to top Go down   Bike wont start, only click Empty Bike wont start, only click Sat Mar 17, 2012 4:58 am

K-BIKE

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Put the bike in top gear, can you turn the engine over if you push the bike with the clutch in and then release the clutch? If you can then charge the battery on a charger and try again.
Regards,
K-BIKE

    

20Back to top Go down   Bike wont start, only click Empty Re: Bike wont start, only click Sat Mar 17, 2012 5:50 am

col

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i wonder if previous owner tried to start with low battery and welded relay together
make sure battery is fully charged before starting again when you get access to download page spend a bit of time reading lots of really helpful stuff in there


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1991 k100lt "the enterprise"
    

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