Friday, September 23, 2011

BMW motorcycle keeps trying to run even though I turn off the key. Can anyone advise?

It is a 1985 BMW K100RS. This is the first time this has ever happened since buying the bike some 15 years ago. It has about 65,000 miles on it.





I arrived to my job and turned the engine off by key--and the engine turn off switch--but it kept trying to keep the engine running; it was the sound you hear when you have started the engine but my mistake turned the key again and get that awful noise you get when the engine has already been running. |||It sounds to me like your starter solenoid is stuck. or something has shorted across the terminals to keep the starter motor running.this is kinda hard on the starter too. T^hey aren't meant to run for long you probably couldn't hear it while it was running. check all of the wiring in the cranking circuit . now that they have been heated up,some may be loose. also check that the crimps on the wire connections have not been compromised,from the heat.How did you get it to stop? check the start button to see if it is sticking,and the wiring to the button.they can get chafed and short out making the starter run also.|||Kurts answer is BS, a K Bike HAS NO starter solenoid.

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|||Starters are a real prob on the early Ks, possibly as something as simple as bad brushes. There is NO starter relay though.


Try K-Bikes.com or bmwmoa.org, both have free forums. There is also a free yahoo bmw K bike group|||sounds like dieseling, which may be caused by leaking fuel injector(s)


just curious, do you always park with the centerstand? I think parking on the sidestand with those bikes can cause long term problems.|||I don't have a direct answer for you on an older K bike, but check out this link to lead to some resources on your bike.





http://bmwdean.home.att.net/index.html|||That's called dieseling.


Find an explanation and some possible fixes here:


http://en.wikipedia.org/wiki/Dieseling

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