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Old 03-03-2011, 06:58 AM   #421
ausfahrt
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Quote:
Originally Posted by oneydee View Post
This is fixable.
+1

I bought my '07 GSA in April of '08 and it only had 7500 miles on it. It was my first BMW and I loved it but as I got familiar with it I noticed a strange irregular knock at idle and engine roughness at various engine speeds.

I wanted to learn to work on my bike and through this forum I learned that the symptoms that I was experiencing sounded like a throttle body sync issue. I bought a Twinmax and synced the TB's myself and the difference was night and day....what a machine!

I later met the previous owner of my bike at a dealer sponsored ride and after talking with him for a while he admitted that he traded the bike in because of the exact same erratic idle and roughness. He said that the dealer kept telling him that it was in spec and running like it should but he wasn't happy so he traded it in. He was really dismayed when I told him how simple the fix was and that I had done it myself.

Do yourself a favor and invest a hundred bucks in a Twinmax.

Available here:

http://www.ascycles.com/detail.aspx?...FdF95Qodw25NBQ
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Old 03-03-2011, 07:05 AM   #422
Ritchard
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Quote:
Originally Posted by ausfahrt View Post
+1

I bought my '07 GSA in April of '08 and it only had 7500 miles on it. It was my first BMW and I loved it but as I got familiar with it I noticed a strange irregular knock at idle and engine roughness at various engine speeds.

I wanted to learn to work on my bike and through this forum I learned that the symptoms that I was experiencing sounded like a throttle body sync issue. I bought a Twinmax and synced the TB's myself and the difference was night and day....what a machine!

I later met the previous owner of my bike at a dealer sponsored ride and after talking with him for a while he admitted that he traded the bike in because of the exact same erratic idle and roughness. He said that the dealer kept telling him that it was in spec and running like it should but he wasn't happy so he traded it in. He was really dismayed when I told him how simple the fix was and that I had done it myself.

Do yourself a favor and invest a hundred bucks in a Twinmax.

Available here:

http://www.ascycles.com/detail.aspx?...FdF95Qodw25NBQ
For less than ten bucks you can make a fluid manometer that does the same job, some say better - apparently it's more sensitive. I have one in my garage that I believe cost me about $8 to make. It's 25 feet of clear, 1/4" (3/8?" can't remember) id tubing zip-tied to a chunk of white-primed MDF door casing. I put some red food coloured water in it, and it rocks. I use it a couple of times a year to check my synch.
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Old 03-03-2011, 07:08 AM   #423
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Originally Posted by ausfahrt View Post

Do yourself a favor and invest a hundred bucks in a Twinmax.
Or spend 2 euro to get five meters of 10mm plastic tube, attach the tube to a board, and then fill it with
1 euro of oil.
That will leave quite a few euro for petrol.

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Old 03-03-2011, 07:08 AM   #424
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Eh?

Ok, for some of us that are too lazy to go back and hunt thru 20+ pages for the answer can we get a summary of what you 2 geniuses are trying to do and why your way is better than a "booster plug" or" accelerator".
All to keep us carbon based life forms staying w/ this thread.


I really want to attack my 1100RT's surging and throttle response beyond tinkering the usual way.
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Old 03-03-2011, 07:38 AM   #425
DELTATANGO
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They all sound like rock crushers when they run to me.

Both cylinders all sticking out there, one for each ear, quiet exhaust, no water jacket, they do sound like a tractor compared to a VFR.

Just do the required maintenance and ride the dog shit out of it.
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Old 03-03-2011, 08:15 AM   #426
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Ah, then I'm no help.
Other than I'd still check the valve clearances, then the balance of the TB's.

Air filter clean? Good gas?

Then dealer, since it is new.

And keep looking for a shop manager that doesn't use that phrase.

From working on and riding BMW's since the early 70's, I noticed that as the motors got bigger the vibes got bigger as well and the twin's sensitivity to carb or throttle body balance increased along with the performance.

I did not notice more vibration from my friends 2007 1200, and after riding it for a good bit, I liked the power and smoothness and lightness. The standard 1200 compared to the 1150 Adventure feels really light with a real happy front end.

If it were me, I'd have already checked all of the above.



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Old 03-03-2011, 08:38 AM   #427
DC,Chad
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Quote:
Originally Posted by oneydee View Post
Follow the advice given before just giving up on such a nice machine. You can always get someone in service or sales at your dealership to ride your machine on the freeway to try to experience what you are describing. You have a good warranty with BMW. This is fixable.

no joke mate just a quoting issue

ive never heard of this problem with the 2010 bikes so you have a problem thats down to bmw to get their asses into gear and sort for as stated above this is fixable
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Old 03-03-2011, 09:45 AM   #428
GeoAggie
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Originally Posted by GSchad View Post
no joke mate just a quoting issue

ive never heard of this problem with the 2010 bikes so you have a problem thats down to bmw to get their asses into gear and sort for as stated above this is fixable
Thanks to all of you for your helpful suggestions . . . . . . I will try to get this sorted out before giving up on a fine machine. Back to the topic of "hotrodding the GS"
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Old 03-03-2011, 10:10 AM   #429
frogy
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This is true about the TB sinc. and valve adjust.Picked up my 1st BMW last year after riding jap bikes all the time.The RT was soo much more comfy than the other bikes,but that flat twin-man was it rough.I thought it was normal until I layed it up this winter to do some work on it.Took it out after the L/S cam tens. was done,TB sinc,and valve adj. Boy O Boy it was a whole new bike.
If the throttle bodies are not in sinc.,it make these flat twins run real rough.
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Old 03-03-2011, 02:55 PM   #430
BenFongTorres
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Quote:
Originally Posted by Ritchard View Post
For less than ten bucks you can make a fluid manometer that does the same job, some say better - apparently it's more sensitive. I have one in my garage that I believe cost me about $8 to make. It's 25 feet of clear, 1/4" (3/8?" can't remember) id tubing zip-tied to a chunk of white-primed MDF door casing. I put some red food coloured water in it, and it rocks. I use it a couple of times a year to check my synch.
Link please! Or at least more information. I will do my own TB synch when the time comes and if I don't have to buy somebody elses expensive machine to do it, even better!
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Old 03-04-2011, 06:20 AM   #431
ollka
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Quote:
Originally Posted by GeoAggie View Post
Don't get the joke, sorry. My bike is a 2010 R1200GS adventure. If I can't get past this issue I have decided to sell the bike, which would end a long run of GS models dating back to a R100GS. Perhaps it's simply a tolerance issue . . . . . .
Have they changed the cam angle sender already?
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Old 03-05-2011, 05:36 AM   #432
Mr. Fisherman
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Is this thread still about a product or products that are going to be made available to those who want to improve the performance of their GS's?

How is the new job coming along?
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Old 03-05-2011, 05:39 AM   #433
BenFongTorres
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Originally Posted by Mr. Fisherman View Post
Is this thread still about a product or products that are going to be made available to those who want to improve the performance of their GS's?

How is the new job coming along?
It better make my GSA run like a Hayabusa after having to wait this long! LOL It's like the Christmas that never comes...CRIMINAL!
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Old 03-05-2011, 03:18 PM   #434
tagesk
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Quote:
Originally Posted by Ritchard View Post
I put some red food coloured water in it.....
Just one small thing; be careful with that water. If you're not careful and it get's sucked in
your engine might hydro-lock. That will mean a major (!) repair.
If you use oil, the chances are that it will burn and not harm your engine.

The problem with water is that it doesn't combust.

[TaSK]
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Old 03-05-2011, 03:36 PM   #435
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Quote:
Originally Posted by tagesk View Post
Just one small thing; be careful with that water. If you're not careful and it get's sucked in
your engine might hydro-lock. That will mean a major (!) repair.
If you use oil, the chances are that it will burn and not harm your engine.

The problem with water is that it doesn't combust.

[TaSK]
And worst of all ... it doesn't compress either!
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