BMW K bikes (Bricks)

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1Back to top Go down   Stalls at traffic lights... Empty Stalls at traffic lights... Tue Nov 16, 2010 2:28 am

UnclePete

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Hi there - I've just bought a 1983 K100 RS and on riding it home (around 25km) it stalled at successive traffic light stops. No dramas at at when up and going, just when stopping. Initially idled fine, but after warming up somewhat, problem occured. Any suggestions? Thanks, Peter

    

2Back to top Go down   Stalls at traffic lights... Empty Re: Stalls at traffic lights... Tue Nov 16, 2010 4:17 pm

shay

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Hey
since you just got the bike today,if i were you i would start from basics like checking/changing the spark plugs , ignition wires(!) ,changing all the liquids ,filters etc..
it might have something to do with either fuel or ignition so maybe the bike runs on 3 cylinders and you only feel it when you come to a full stop and since its your first hours in the saddle you can't yet tell the difference from a "normaly" working bike.
also go through all the connectors make sure they are not corroded and propertly connected-i just spend 3 days trying to get the injectors on my k100 to spray some fuel because the water temp sensor's connector wasn't allowing electrons to pass to and back from the sensor!!
good luck Very Happy

    

3Back to top Go down   Stalls at traffic lights... Empty Re: Stalls at traffic lights... Tue Nov 16, 2010 5:46 pm

UnclePete

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Hi Shay,

Yep - I think that is good advice and will start the basics this weekend. Looking through the various areas of this website is terrific. Heaps of advice and resources.

Thanks,
Peter

    

4Back to top Go down   Stalls at traffic lights... Empty Re: Stalls at traffic lights... Tue Nov 16, 2010 5:48 pm

Ned

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yep Shay is correct. Your symptom description is too broad to pinpoint the exact cause.
I think that the best place to start is, as Shay said, to go though all the obvious electric and fuel checks. The best place to look is in the download pages. In my opinion you may want to start with this:
http://hrsbstaff.ednet.ns.ca/bvogel/K100/download/bike-wont-start1.htm

Yes, it has to do with "no start" but I think that this is equally a good place to start when you are having any problems with the bike not wanting to , or just having problems with running reliably.


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Ned

05/1986 (K55) K100RS Motorsport (Europe), Production Code: 0503, 110k km, VIN:0140519 (SOLD)
1976 Honda Goldwing GL1000 (naked)
1997 BMW K1200RS red, VIN: WB10544A1VZA22667
    

5Back to top Go down   Stalls at traffic lights... Empty Re: Stalls at traffic lights... Tue Nov 16, 2010 5:59 pm

UnclePete

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Thanks Ned - will post when I find the solution (hopefully).

Cheers,
Peter

    

6Back to top Go down   Stalls at traffic lights... Empty Re: Stalls at traffic lights... Tue Nov 16, 2010 6:15 pm

Ned

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Can I add one thing... I always start with the vital signs about the health of your new bike and they are:
a. Compression tests, and
b. Fuel pressure and fuel pressure leaks.

If you can clear these, then the problem is a matter of chasing down the components.


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I reserve the right to voice my opinions on any subject known to man
Ned

05/1986 (K55) K100RS Motorsport (Europe), Production Code: 0503, 110k km, VIN:0140519 (SOLD)
1976 Honda Goldwing GL1000 (naked)
1997 BMW K1200RS red, VIN: WB10544A1VZA22667
    

7Back to top Go down   Stalls at traffic lights... Empty Re: Stalls at traffic lights... Tue Nov 16, 2010 6:23 pm

UnclePete

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Excellent - thanks - looking forward to a mechanical weekend...
Cheers,
Peter

    

8Back to top Go down   Stalls at traffic lights... Empty Re: Stalls at traffic lights... Wed Nov 17, 2010 4:52 am

K-BIKE

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What is the idle speed set to? If it won't idle warm I would initially suspect air leaks.
Regards,
K-BIKE

    

9Back to top Go down   Stalls at traffic lights... Empty Re: Stalls at traffic lights... Wed Nov 17, 2010 7:22 am

UnclePete

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Hi K-BIKE,
Idle (from memory) was around 900rpm? Not 100% sure as it was only when I picked it up - then started stalling, etc, etc. I'll take the advice and establish a baseline as far as fuel filter, clean contacts, grounds etc and see what happens then.
A huge thankyou to all who have posted, plus, the downloads section is unbelievable with its wealth of information. Just blown away how good this site is!
Will post soon.
Cheers, Peter

    

10Back to top Go down   Stalls at traffic lights... Empty Re: Stalls at traffic lights... Wed Nov 17, 2010 11:15 am

japuentes

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Hi there.
Afther an idle air/fuel mixture adjusting, mine started to stall at stops, the riding was fine but wen trootle was cut idle will fail and the engine staled. The mixture was corrected (was runing too poor) and the problem solved.
So as stated before check for air leaks that will cause the same effect.
Best regards.
JAP

    

11Back to top Go down   Stalls at traffic lights... Empty Re: Stalls at traffic lights... Wed Nov 17, 2010 1:54 pm

Adiwan Djohanli

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On my bike, the iddle is 950RPM..then goes higher when the engine is hot..1050RPM.

Cheers.


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Adiwan Djohanli
Jakarta-Indonesia[i]
    

12Back to top Go down   Stalls at traffic lights... Empty Re: Stalls at traffic lights... Sun Nov 21, 2010 5:35 am

ReneZ

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Idle should be 950 (+/- 50) rpm with a warm motor.


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Greetings from Florida! Having a 'new' K  :cyclops:    Surprised-o: 

Rene


BMW K100 - 1985 (0030029) Stalls at traffic lights... Rain
BMW K1200GT - 2003 (ZK01223)
    

13Back to top Go down   Stalls at traffic lights... Empty Re: Stalls at traffic lights... Sun Nov 21, 2010 4:45 pm

UnclePete

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Hi again - some feedback from the weekend - my darling wife decided that renovations to our deck would take precedence over bike maintenance due to end of season soccer party at our house this coming Saturday. Bike has to wait till next Sunday. I can live with that. The only concession was a 20 minute ride to warm up oil prior to unscrewing oil drain bolt so it could drain away all week (which it's currently doing). Will post again after next Sunday when all filters replaced, new oil and spark plugs.
Again, really appreciate all the advice.
Cheers, Peter

    

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