Brake Bleeding on K12RS-01 (ABSII?) - K-Bikes.com - Excellence in Motion
 
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post #1 of 7 (permalink) Old Jun 29th, 2013, 2:11 pm Thread Starter
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Brake Bleeding on K12RS-01 (ABSII?)

I've been searching the forums for about half and hour and cannot find any procedure. There was a link to ABSII Bleeding but it is broken.
Where might I find this info? Brakes are soft on first pull/press.
Thanks...
...bob...
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post #2 of 7 (permalink) Old Jun 30th, 2013, 11:00 am
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Quote:
Originally Posted by haileymon
I've been searching the forums for about half and hour and cannot find any procedure. There was a link to ABSII Bleeding but it is broken.
Where might I find this info? Brakes are soft on first pull/press.
Thanks...
...bob...
If you do not have the BMW shop-manual, buy the CLYMER manual - it is good and fairly cheap on AMAZON (approx $US 40). They cover the bleeding of 1st generation K1200RS using ABSII.

For ABSII, the bleeding is done in a conventional manner as you would do with a std brake system without ABS. For ABSII, you may also use a vacuum-system design for bleeding cars (but do NOT use vacuum on Integral-ABS later K1200RS 2002-2004).

~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
John (Montreal, CANADA)
K1200RS (2002 IceBlue/Red - 96,000 miles)
~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
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post #3 of 7 (permalink) Old Jun 30th, 2013, 12:47 pm Thread Starter
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Thanks, now another question...

Thanks, Sailor. I was hoping that was the case.
Now another question has arisen:

My right front caliper has a big plug (1" tall w/hex bolt in top) where the bleeder should be.
Can I just pull that out and put in the speed bleeder I bought?
The left caliper has a bleeder like normal.
And how about fully synthetic brake fluid?
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post #4 of 7 (permalink) Old Jun 30th, 2013, 1:21 pm
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Quote:
Originally Posted by haileymon
Thanks, Sailor. I was hoping that was the case.
Now another question has arisen:

My right front caliper has a big plug (1" tall w/hex bolt in top) where the bleeder should be.
Can I just pull that out and put in the speed bleeder I bought?
The left caliper has a bleeder like normal.
And how about fully synthetic brake fluid?
ABOUT the fluid: use ONLY DOT-4. I do not care for all this marketing stuff about synthethic - for this bike, to avoid issue with seals (at caliper or master-cylinder) it must meet DOT-4 specs - period.

About the bleeding adapter installed at the factory on the right-hand caliper: read this thread posted earlier and learn pretty much everything about the adapter:
http://www.k-bikes.com/forums/showthread.php?t=13743

~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
John (Montreal, CANADA)
K1200RS (2002 IceBlue/Red - 96,000 miles)
~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
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post #5 of 7 (permalink) Old Jul 19th, 2013, 9:45 pm Thread Starter
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Brake bleed

After studying these hallowed pages I tackled the bleeding of my brakes. I installed speed bleeders on left front and rear, replace right front grub screw with the bleeder from left front, filled the reservoir and began. (I've done this dozens of times on cars and other bikes)
The result was a firmer rear brake but not much if any difference in the front. At no time did I get air bubbles. Haven't ridden yet but I was truly hoping for a firmer front brake. Do ya'll think I might just need new lines?
Thanks for any tips.


01 k12RS, 52k miles

bob...

01 - K12RS
72 - R75/5
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post #6 of 7 (permalink) Old Jul 19th, 2013, 10:00 pm Thread Starter
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Brake bleed update

Took a quick test ride:

Never mind. Rear hits ABS easily and front clamps right on down. If I had the balls and skills I think I could do a stoppie.
But nice new red SS lines from the Pirate are moving up the upgrade list.
Still welcoming advice and knowledge...

...bob...
Nashville
(For 6 more days, then St. Augustine will be my home base)

bob...

01 - K12RS
72 - R75/5
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post #7 of 7 (permalink) Old Jul 20th, 2013, 4:46 am
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On the front:

Pull and hold the front brake lever hard for about 4 minutes. If the lever moves closer to the handlebar grip or worse touches it, then you probably need a BMW front master cylinder repair kit before new lines!



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