K1300GT Seized Rear Brake - K-Bikes.com - Excellence in Motion
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post #1 of 9 (permalink) Old Jun 27th, 2009, 1:04 am Thread Starter
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K1300GT Seized Rear Brake

Just wondering if anybody has had a problem with the rear brake seizing on the k1300gt ?
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post #2 of 9 (permalink) Old Jun 27th, 2009, 11:39 am
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First time I've heard of it.

David Taylor
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post #3 of 9 (permalink) Old Jun 27th, 2009, 12:01 pm
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Yeah, ditto. Are you saying that yours did?

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post #4 of 9 (permalink) Old Jun 27th, 2009, 5:38 pm
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I had the rear brake become locked on while I was riding up in yellowstone last year. I thought initially that I may have gotten a small stone wedged into the caliper but I could not see any gouges on the disc. Subsequently I think I might have been inadvertently riding the rear brake causing it to overheat and lock on - the peculiar thing was I couldn't figure out why I suddenly could not accelerate even in first gear, then I started fiddling with the rear brake lever and it popped up and away I went ?????
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post #5 of 9 (permalink) Old Jun 27th, 2009, 5:45 pm
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Ride with the ball of your foot on the peg and you won't be hovering over the rear brake. Just a suggestion.

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post #6 of 9 (permalink) Old Jun 28th, 2009, 6:37 am
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Originally Posted by abercrombie_pafoofnick
Ride with the ball of your foot on the peg and you won't be hovering over the rear brake. Just a suggestion.
And what a difference it will make to your riding!!!

Not to mention your ass comfort.

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post #7 of 9 (permalink) Old Jun 29th, 2009, 4:46 am
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I seem to remember reading somewhere about some bikes having problems with the lever return spring siezing?
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post #8 of 9 (permalink) Old Jun 29th, 2009, 7:41 am
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K12GT Rear Brake

I, too, seem to recall reading somewhere that this has happened, but cannot seem to locate the post at this time.
I've had the rear brake on my '08KGT seize once. I pulled into a parking lot to check it out, and while on the phone trying to get through to BMW Service, I heard a "click" and the brake had released itself.
The only thing I can think of is that I was using both brake controls to slow the bike, instead of just relying on the linked brake action of the Hand-lever.
I don't want to lose the habit of using the rear brake pedal.

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post #9 of 9 (permalink) Old Jun 29th, 2009, 10:34 am
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Yes, that's it. My bike had a poor rear brake which I eventually found the answer for on this site. It's the coil spring between the pedal and the footrest bracket. On earlier models due I think to casting variations there is insufficient room for the coil nearest the pedal to fit down past the other adjacent coils when twisted down when you press down on the pedal.On mine when I disconnected the master cylinder rod from the pedal and moved the pedal down by hand it jammed on! It is easy to fix, about an hour or so, by removing some of the pedal metal where the spring binds against the pedal side to give the room needed for the coil to move down without jamming or more often preventing full rear brake force. Mine was transformed remarkably by doing this. Anyone else who isn't entirely happy with the force from their rear brake should take a close look at this pronto. If they jam on you can wreck your disc/pads and maybe hurt yourself !!! I checked a K13 and noticed that BMW had altered the casting to give more room for the spring to operate. I've also heard a number of riders complain about very rapid rear pad wear which could easily happen when the pedal jams on or doesn't release fully from time to time.
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