Battery replacement suggestions. - K-Bikes.com - Excellence in Motion
 
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post #1 of 5 (permalink) Old Aug 13th, 2013, 7:03 pm Thread Starter
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Battery replacement suggestions.

I may be chasing the wrong squirrel, but my K75S is having "sputter" moments at low RPM, and the fuel filter was changed 5,000km ago, and I just replaced the battery...which is always on a 2A tender when not being ridden daily...probably overkill. Anyhoo, the battery I replaced it with was one "reccomended" by our local automotive supply shop, but I have heard BMW's are picky about what brand/type to feed them. My manul says 20 amp, but I suspect the one I bought is only 16...as the model number is 16CL-B. Otherwise it runs great, idles fine, and goes like a kid with no hesitation...above 3,500 RPM...seems to be an issue between 2,000 and 3,500. Any input, or advice would be greatly appreciated. Someone mentioned that I should switch to premium fuel...I dunno...what say ye all?
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post #2 of 5 (permalink) Old Aug 14th, 2013, 5:59 am
PsyKotic Waterfowl
 
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When your bike is running it is getting electrical power from the alternator, not the battery.

One possible cause is that the boots between the throttle bodies and cylinder head have aged and are cracked and leaking. Spray some starter fluid around them at idle. If the RPMs go up then you've found your problem.
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post #3 of 5 (permalink) Old Aug 14th, 2013, 7:40 am Thread Starter
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Mine is fuel injected.,,,injectors are clean, all hoses, clamps, and plugs like new.
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post #4 of 5 (permalink) Old Aug 14th, 2013, 2:42 pm
PsyKotic Waterfowl
 
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Quote:
Originally Posted by K-rusty
Mine is fuel injected.,,,injectors are clean, all hoses, clamps, and plugs like new.
All K bikes are fuel-injected. And they all have boots between the throttle bodies and cylinder head that eventually get old and crack. Are those "like new" too?
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post #5 of 5 (permalink) Old Aug 14th, 2013, 3:31 pm Thread Starter
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Sorry about that...too many bikes ...yes they are like new with no leaks.
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