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Old 08-24-2011, 05:54 PM   #1
goinssr OP
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Servo Brakes on Older GS's

I have an '06 GS1200 with the servo brakes and I have no issues with them at all. Actually I think that they are great brakes. I hear a lot of flapping and advising others to avoid the servo brake models and wonder why. What is it about the servo system that folks don't like other than the faint noise when the servos are activated.
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Old 08-24-2011, 05:58 PM   #2
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Quote:
Originally Posted by goinssr View Post
[COLOR=yellow]I have an '06 GS1200 with the servo brakes and I have no issues with them at all. Actually I think that they are great brakes. I hear a lot of flapping and advising others to avoid the servo brake models and wonder why. What is it about the servo system that folks don't like other than the faint noise when the servos are activated.[/COLOR]
+1 on the servos...no problems/concerns here, as well.
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Old 08-24-2011, 06:10 PM   #3
JimVonBaden
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Two servo bikes perfect. Unfortunately not everyone can say the same!

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Old 08-24-2011, 06:16 PM   #4
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+1

Whizzy brakes rule!
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Old 08-24-2011, 07:26 PM   #5
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I think the problem was, or is, people didn't change the fluid every year and the rubber lines on the normal GS would deteriorate. Both of those issues would ruin the servo system and it's a $2400 part. I'll be changing my 8-year-old rubber lines to braided steel in the spring and doing a complete system flush and bleed. That will become my yearly ritual.

I test rode a buddy's `02 Adventure and thought his brakes were weak. I had to grab them hard to haul the bike down from speed. My brakes take just two fingers and a minimal amount of pressure to get maximum braking.
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Old 08-24-2011, 08:05 PM   #6
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Same with me. 2005 1200GS; servos. Just love em'. No issues, Just changed the entire brake fluid. Am deaf so cannot hear the whizzes you proclaim they make when pressed. Great brakes especialy when hauling a sidecar.
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Old 08-24-2011, 08:06 PM   #7
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I loved/hated the brakes on my 2004. I loved the power. Hated the noise and low speed grabbiness. Never had any real issues with them though.
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Old 08-24-2011, 09:21 PM   #8
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Two (2) 05 1200GS w/ servo's

Bought mine new, now has 47K miles. I have just finished my second ABS bleed, to fix a warning light. Other than that, no issues at all....I'm gonna try to bleed them a little more often in the future. Just bought another 05 for my wife this summer, also has servo brakes and ABS. It has about 45K miles, no issues on it so far, or in any records the previous owner kept.

I think they are great bikes, and good used ones can be had fairly reasonably. YMMV.

roy
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Old 08-25-2011, 02:40 AM   #9
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One has to really get familiarized with servo brakes as they are too grabby for someone not used to them. Otherwise, I see no issue with them other than the brakes are completely lost when the ABS fails. Plus maybe bleeding the whole system is a PITA. When the ABS of my 07 failed, I still had the same braking power sans ABS. I used the bike (with more care, of course) until I got a replacement ABS unit.
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Old 08-25-2011, 02:41 AM   #10
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They are so great that BMW no longer offer servo brakes.
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Old 08-25-2011, 03:03 AM   #11
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Originally Posted by goinssr View Post
What is it about the servo system that folks don't like other than the faint noise when the servos are activated.
On the several models I test rode with servo assist brakes in 2005 or so (R1200GS, K1200S, R1200ST), the brakes felt like an on/off switch with no ability for the rider to modulate (the grabbiness mentioned numerous times above). Probably one of things you get used to, but I didn't like them right off the bat for that reason alone. It also seemed to be an overly complex addition (extra cost/weight/maintenance) that I didn't think was required to begin with. I was very glad that by the time I bought a newer bike BMW had decided to do away with servo assist.
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Old 08-25-2011, 04:42 AM   #12
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Originally Posted by jdub View Post
On the several models I test rode with servo assist brakes in 2005 or so (R1200GS, K1200S, R1200ST), the brakes felt like an on/off switch with no ability for the rider to modulate (the grabbiness mentioned numerous times above). Probably one of things you get used to, but I didn't like them right off the bat for that reason alone. It also seemed to be an overly complex addition (extra cost/weight/maintenance) that I didn't think was required to begin with. I was very glad that by the time I bought a newer bike BMW had decided to do away with servo assist.
There was a recall on the early bikes that gave the brakes a somewhat more progressive feel.
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Old 08-25-2011, 04:46 AM   #13
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There was a recall on the early bikes that gave the brakes a somewhat more progressive feel.
I Like the way they can get full power with one finger. As for control, it is like any other bike, it just takes some practice. When I ride non-Servo brake bikes it takes a bit of time to adjust to a lack of power.

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Old 08-25-2011, 06:05 AM   #14
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I have an 06 GS Love the brakes. Maybe too powerful for some?
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Old 08-25-2011, 06:35 AM   #15
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Originally Posted by JimVonBaden View Post
When I ride non-Servo brake bikes it takes a bit of time to adjust to a lack of power.Jim
Like the time I shut off the bike before coasting into the garage (to keep the noise down) I REALLY had to adjust to the lack of power then. Needless to say I don't do that any more. I will just keep doing the recommended service on them and hope they don't crap out. That gets a little $$$$.
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