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Discussion in 'GS Boxers' started by 1coolbanana, Aug 16, 2010.
I just looking for justification for getting the header , thats why I need to know
I have a new 2010 GSA. Two weeks old and I have put just over 2000 miles on it. 600 mile maintenance done with no problems. Mine vibrates at highway speeds bad enough to make my right hand numb. Very uncomfortable.
Some things to consider:
- Does your shop normally do really good work? Meaning, do you trust them to do a good throttle body sync?
- I think have differences depending on the fuel type I use (not validated yet, but I might do more testing over time). Mine is just in the "smoothing out phase" again and I like to leave it there for a while. Then I maybe try a tank of cheaper gas again.
- Do the vibrations go away when you pull the clutch and let the engine idle at that speed?
What is highway speed? Which gear? Which rpm?
I did the running in phase and did my first trip on my 30yr Adv.I got pins and needles feeling in my hands within the first 30 kays.It has been 3 days since my ride and my hands have not recovered yet.I 've had 3 Hp2's and 2 Adv's and this is the first time I've experienced such bad harmonics.It is most pronounced beteween 5500 ans 6500rpm.Vibration like this have serious medical effects.Anyone have a fix for this?
I have a 01 1150gs with 31K miles. It has vibes above the 4K rpm range but that is above 85mph with the tall 6th gear, so it is not much of a problem because I don't go that fast as a rule. I would not be happy if that was my crusing speed.
I have just gtton the bike out of the shop since it lost it's mind and had to be re-flashed so that idle accuators would work again. At least it idles now. However the dealer could not account for the high frequency vibration starting at 3700 rpm+ and 5000 rpm the worse and slight change upward to red line. They had just finished re-syn of the TBs.
Had 24k service in DEC 2012 and rode it back from dealer (slow) in April and parked until April. Had friend ride it to dealer for one last checkup before warranty was up. Dealer re-seatdd front ESA plug to alliviate sporadic pogo sticking.
Never had this problem prior to the reflash of the ECU. Already had the valve ring recall done around 1500-3000 miles time frame. Dealer re-checked valves and were with in tolerance.
Up to the 24k service and the reflash of the ECU never had this problem before. This bike was smooth but not any more. My hands and feet are numb with 40 minutes of super slab in 3700+ rpm range.
Anybody find a fix for this? Perhaps a KTM?
I have the same issue with vibration. Really annoying! Any solution? The bike is GS 2012 with 5,000 miles on it
Mine had a noticeable vibration around 4200k - one dealership said that was normal and it would get better as it breaks in.
Had a rear main seal leak and took it in to another dealership to replace it. That mechanic replaced the seal and did a throttle body sync on it. Now it has very little vibration throughout the rpm range. 2011 GSA.
It may be the difference in the shop personnel. The guy that did mine stayed with it until he was satisfied with the balance. World of difference. Night and day difference.
I wish you hadn't said this. I was just starting to get used to the 4,200rpm buzz, after 19k mi on my 2011 GS. Are you SURE the TB sync helped?
A proper TB sync and stepper motor calibration will smooth the motor. It will not eliminate it 100%, and a lot depends on each person's sensitivity to vibes.
Thanks! I checked TB sync in 3 - 4K RPM range and it's perfect. Did not calibrated a stepper motor yet, but will do it soon (I guess GS-911 can do that).
I just noticed one thing and not sure if that may be related to the issue. There is a noticeable difference in discoloration between left and right exhaust manifolds. I remember, that it means that 2 cylinders are running at significantly different temperature. How should I investigate the cause of that? My plan is:
1. Adjust valves
2. Check spark plugs
3. Check TB sync again
4. Calibrate stepper motor
5. Clear and re-learn adaptation values
Anything else I should look for? I want to do as much as I can before bringing my bike to a dealer.
On an R1200 that is not at all uncommon. The lengths of the pipes are a but different due to the offset of the cylinders.