RT vibration at 3000rpm - BMW Luxury Touring Community
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post #1 of 40 Old Dec 2nd, 2014, 1:18 am Thread Starter
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Exclamation RT vibration at 3000rpm

Hi All

I know this has been asked before and i have searched the forum without much luck to answer my question so here we go please be kind to me

Im new to the forum and new to the RT seen so im hoping its normal what im about to ask.

First a but of history on the bike.

R1200RT build 12/07 Silver 66000kms

I brought it from a motorcycle store about two weeks ago over the phone trusting the salesman, he told me the bike was serviced by them and was upto date with all services.

It was owned by a older guy and traded in with 66000kms on it for a new 800cc bmw as the bike was getting to large for him to handle.

its like new to look at and not one oil leak in site everything works great apart from the high beam switch as its a bit sticky.

But anyway i have this problem that i would like some help with please.

At 3000rpm i have a engine vibration i know its engine as i don't a number of tests.

Ive brought the bike up to 100kmh around 3000rpm pulled the clutch in and the bikes so smooth i had to check it was still going.

If it was a car i would say the flywheel was about to come loose but its not that.

I've also free reved the engine on the center stand and still has the same vibration.

I have checked coils they are in working order plugs are next on the test bench.

But im wondering if anyone else has had this same problem or if its just me as i understand the 1200rt's do have a bit of vibration but is this to much.

Regards
B
Hope someone can answer my question

Last edited by Bushytas; Dec 2nd, 2014 at 1:22 am. Reason: forgot to add year of bike
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post #2 of 40 Old Dec 2nd, 2014, 4:13 am
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Re: RT vibration at 3000rpm

I know you said the vibration was coming from the engine but .....
Can you feel the vibration through the handlebars, footpegs and seat or just the handlebars. The reason I ask is that i had a vibration problem through the handlebars at 3000 rpm - so much so that my fingers went numb - and it turned out to be the front tyre. The tyre was in the last 20% of it's life but not close to the wear bars. Replaced the tyre, problem solved.
Just a thought.

Ian
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post #3 of 40 Old Dec 2nd, 2014, 5:00 am Thread Starter
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Re: RT vibration at 3000rpm

Yeah thanks for he reply

I've had new tyres fitted as I didn't like the old ones and have only put about 300 kms on them.
It was also their before.
When the bikes rolling with the clutch pulled in so neutral its smooth as, that smooth that I have to look at the revs to see if it's till going
So not sure what it is
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post #4 of 40 Old Dec 2nd, 2014, 5:24 am
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Re: RT vibration at 3000rpm

Welcome to the site Bushy and congrats on the new RT!

3K is a bit low in the RPM range for an RT, so that might be part of it. These bikes are happy at 3800-4800 while cruising.

That said I had a similar vibration at 4500-5000 and 85MPH for awhile and synching the throttle bodies smoothed that out completely. Now it is smooth through the whole RPM range and I was quite surprised to look down and find myself rolling at 110 yesterday smooth as silk!

Ride Safe,

Bob
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post #5 of 40 Old Dec 2nd, 2014, 5:35 am Thread Starter
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Hi and thanks for the reply.
I was thinking about getting the valve clearence and plugs checked I wasn't aware the throttle bodies could be a problem. How often do they need to be done ?
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post #6 of 40 Old Dec 2nd, 2014, 8:27 am
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Re: RT vibration at 3000rpm

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Originally Posted by Bushytas View Post
Hi and thanks for the reply.
I was thinking about getting the valve clearence and plugs checked I wasn't aware the throttle bodies could be a problem. How often do they need to be done ?
I think that the TB could very well be part of the problems. Do the valve clearance first, and then the TB synch. The latter needs to be done at 12k miles interval, and the valve clearance at 6k miles interval. See if that doesn't fix your problem.

BTW, as mentioned in the other post, 3k is the low limit of the rpm range that the RT prefers. When riding my '07 RT, I tend to keep the rpm at 3k - 4k, while cruising gently on backroads, and if I feel a little frisky, then the rpm will be in the upper 3k and higher.
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post #7 of 40 Old Dec 2nd, 2014, 9:01 am
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Re: RT vibration at 3000rpm

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Originally Posted by PadG View Post
BTW, as mentioned in the other post, 3k is the low limit of the rpm range that the RT prefers. When riding my '07 RT, I tend to keep the rpm at 3k - 4k, while cruising gently on backroads, and if I feel a little frisky, then the rpm will be in the upper 3k and higher.
+1

100 km/h is fifth gear territory. I might ride that speed in sixth, but only on a level or downhill straight road with no other traffic. I had a tendency to ride with minimum revs until I realized it felt like jogging in work boots. The slightly higher revs seem to burn fuel more efficiently, improving fuel economy by about 3-5%.

Do check your valve clearances and throttle sync as it does make a difference.

Larry
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post #8 of 40 Old Dec 2nd, 2014, 9:19 am
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Re: RT vibration at 3000rpm

Good tune-up - TB syncs, valve adj., new plugs would probably help some but with that mileage on it, I'd look at replacing the Alt belt. Belt is about $20, easy to change yourself.

Boneyard has them.

Change mine normally at @ 45/50K miles. Just did my third on the 07 RT because one was a warranty replacement at about 25K

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post #9 of 40 Old Dec 2nd, 2014, 3:59 pm
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Re: RT vibration at 3000rpm

Maybe I read your post wrong. You said when you run the rpm's up to 3k and pull the clutch in the motor is smooth as silk?
If I read that correctly it means the vibration is either coming from the gear box or clutch. So my next question would be is the vibration present with the bike in neutral and the clutch NOT pulled in? If the vibration is present than the vibration is from the clutch. If this is the case I'd say forget about it and go ride.
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post #10 of 40 Old Dec 2nd, 2014, 4:11 pm Thread Starter
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Re: RT vibration at 3000rpm

Thanks guys

strange you talk about alternator belt i thought i herd the belt make a noise after i washed it yesterday, but couldn't work out how i would of gotten water on it maybe its time for a new one

For peace of mind it worth getting it all checked as how much do you trust a sales man.

I actually have a story about that too but that might be another post after i collect the parts they are replacing free of charge,they told me the bike was in 100% good mechanical condition and lets just say it wasn't.

Nothing bad mind you but after being told it was a good bike and having to replace parts soon as i received it didn't go down to well in my book
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post #11 of 40 Old Dec 2nd, 2014, 4:25 pm Thread Starter
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Re: RT vibration at 3000rpm

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Maybe I read your post wrong. You said when you run the rpm's up to 3k and pull the clutch in the motor is smooth as silk?
If I read that correctly it means the vibration is either coming from the gear box or clutch. So my next question would be is the vibration present with the bike in neutral and the clutch NOT pulled in? If the vibration is present than the vibration is from the clutch. If this is the case I'd say forget about it and go ride.
Are you saying this is normal with clutch engaged. I haven't tried to free rev the engine with the clutch disengaged.
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post #12 of 40 Old Dec 2nd, 2014, 4:37 pm
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Re: RT vibration at 3000rpm

Unfortunately this seems to be the case too often. My 05 R1200RT was supposedly "perfect" when I went to look at it (6 hour drive). It was far from that. Dirty, no recent maintenance...but it only had 7800 miles so I bit the bullet and am glad I did. I replaced all the fluids, alternator belt, spark plugs, air filter, adjusted the valves, etc. Bike is like brand new and rinds perfect. Was worth the initial investment to make everything new and right as I now have a great running bike that I love to ride.
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post #13 of 40 Old Dec 2nd, 2014, 4:47 pm Thread Starter
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Re: RT vibration at 3000rpm

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Originally Posted by Teach View Post
Maybe I read your post wrong. You said when you run the rpm's up to 3k and pull the clutch in the motor is smooth as silk?
If I read that correctly it means the vibration is either coming from the gear box or clutch. So my next question would be is the vibration present with the bike in neutral and the clutch NOT pulled in? If the vibration is present than the vibration is from the clutch. If this is the case I'd say forget about it and go ride.
OK well i just went out a ran it on the center stand no change in clutch noise or vibration when clutch in in or out.
Im thinking this is good
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post #14 of 40 Old Dec 2nd, 2014, 4:51 pm Thread Starter
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Re: RT vibration at 3000rpm

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Unfortunately this seems to be the case too often. My 05 R1200RT was supposedly "perfect" when I went to look at it (6 hour drive). It was far from that. Dirty, no recent maintenance...but it only had 7800 miles so I bit the bullet and am glad I did. I replaced all the fluids, alternator belt, spark plugs, air filter, adjusted the valves, etc. Bike is like brand new and rinds perfect. Was worth the initial investment to make everything new and right as I now have a great running bike that I love to ride.
After reading your post i thought i would check to see if the bike had any sort of service date in the command screen guess what on start up its got a AUG 2013 service date im guessing its well over due.
im sure i asked this if the service was up todate hopefully the service book will turn up this week and if its not im going to talk to consumer affairs.
yes im still waiting on the paper work its been a month since i brought it
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post #15 of 40 Old Dec 2nd, 2014, 5:23 pm
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Re: RT vibration at 3000rpm

I'd say that your TB's are out of sync, but as others have mentioned you probably need to do a complete service. FOR THE RECORD being up to date on all servicing, and having been service by the dealer are misleading. When were the services performed? That is the magic question.
Personally I'd do a complete service myself, but I also have to say the RT's buzz, depending upon what rpm, load and weather conditions. Mine runs smoothest in 50-70 degree temps, has some buzz at higher temps. It's a bike.
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post #16 of 40 Old Dec 2nd, 2014, 5:41 pm Thread Starter
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Re: RT vibration at 3000rpm

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I'd say that your TB's are out of sync, but as others have mentioned you probably need to do a complete service. FOR THE RECORD being up to date on all servicing, and having been service by the dealer are misleading. When were the services performed? That is the magic question.
Personally I'd do a complete service myself, but I also have to say the RT's buzz, depending upon what rpm, load and weather conditions. Mine runs smoothest in 50-70 degree temps, has some buzz at higher temps. It's a bike.
Totally agree

I asked all the correct questions i just don't think they were answered in the way i needed them to be as you have said.
I will wait for all the book work before giving a full and open account of all details to do with this purchase of this motorcycle.
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post #17 of 40 Old Dec 2nd, 2014, 9:10 pm
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Re: RT vibration at 3000rpm

I think a real possibility lies in the fact that in most gears above 2nd, 3000 rpm is lugging your motor. In higher gears I consider 4k rpm the minimum ... since it's my habit to always be ready to accelerate. These are not torque monster motors.

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post #18 of 40 Old Dec 3rd, 2014, 8:38 am
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Re: RT vibration at 3000rpm

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..........

strange you talk about alternator belt i thought i herd the belt make a noise after i washed it yesterday, but couldn't work out how i would of gotten water on it maybe its time for a new one

.......
Don't worry about that belt noise! Putting on a new belt won't get rid of it. It seem that all the '05 - '13 RT will have belt squeal after washing! The alternator cover do have vents, but I couldn't figure out how water gets inside either, but the belt will always squeal soon after washing the bike.
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post #19 of 40 Old Dec 3rd, 2014, 8:45 am
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Re: RT vibration at 3000rpm

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Totally agree

I asked all the correct questions i just don't think they were answered in the way i needed them to be as you have said.
I will wait for all the book work before giving a full and open account of all details to do with this purchase of this motorcycle.
I don't know the procedure for down there, but over here the service records would be in the back of the rider's manual. What mileage service, actual mileage, date the service was done, and signature of the service personnel.

BTW, if you intend on doing the service yourself (very easy!), then do a search on this site and you should be able to download a pdf file of the actual BMW service check list. Very handy to have, and it tells you what needs to be done at the particular mileage.

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post #20 of 40 Old Dec 3rd, 2014, 8:56 am
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Re: RT vibration at 3000rpm

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Originally Posted by steveaikens View Post
Good tune-up - TB syncs, valve adj., new plugs would probably help some but with that mileage on it, I'd look at replacing the Alt belt.
I tend to agree with the above, good tune up should make a difference. However, I would disagree with some saying that 3000 RPM is too low for the RT. It certainly is not an optimum performance range, but on a flat ground, I can go as low as 2800 RPM in 6th without lugging the engine and any vibrations. If the tune up and alt belt replacement doesn't help I'd go to BMW dealer for help.

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post #21 of 40 Old Dec 3rd, 2014, 9:42 am
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Re: RT vibration at 3000rpm

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Don't worry about that belt noise! Putting on a new belt won't get rid of it. It seem that all the '05 - '13 RT will have belt squeal after washing! The alternator cover do have vents, but I couldn't figure out how water gets inside either, but the belt will always squeal soon after washing the bike.
My post wasn't anything about belt noise. The belts have a life expectancy. They stretch some over time. His mileage is past the range it should be changed in routine maintenance. If it hasn't been done - he needs to do it. If it HAS been done, the belt may need adjustment.

It's about vibration - not noise.

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post #22 of 40 Old Dec 3rd, 2014, 11:22 am
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Re: RT vibration at 3000rpm

I agree with Luma. When just puttin around I keep the rpms in the 3k-3500 range. I've never noticed any vibration at any rpm other than idle, before or after replacing my worn out clutch.
Can you give any more details on the sort of vibration you feel?

'06 R1200RT
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post #23 of 40 Old Dec 3rd, 2014, 11:30 am
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Re: RT vibration at 3000rpm

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Originally Posted by steveaikens View Post
My post wasn't anything about belt noise. The belts have a life expectancy. They stretch some over time. His mileage is past the range it should be changed in routine maintenance. If it hasn't been done - he needs to do it. If it HAS been done, the belt may need adjustment.

It's about vibration - not noise.
Ahhhh.....Steve! First, I did not respond to your post! I happen to agree with you. Second, go back to my last post and actually read what I had quoted! Generally speaking, and very true here, responses are made to the quote that was/were made in the particular post!

Just an aside.....how the heck do you adjust the belt on the 1200RT? Just curious, since my RT don't need no belt now!

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post #24 of 40 Old Dec 3rd, 2014, 3:58 pm Thread Starter
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Re: RT vibration at 3000rpm

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I agree with Luma. When just puttin around I keep the rpms in the 3k-3500 range. I've never noticed any vibration at any rpm other than idle, before or after replacing my worn out clutch.
Can you give any more details on the sort of vibration you feel?
Hi all and thanks for the replies so far

I don't really know how to explain it but the vibration is in the engine from 3000rpm and above.
I've pulled the clutch in at 100kmh let the engine revs drop to idle and the bike is as smooth as not one vibration.
Then engage the clutch and back up in the revs and its vibrates again the only thing I can come close to is an out of balance fly wheel or clutch pack.
What ever it is its engine related not trans, wheels or anything behind the engine. I might take the go pro out today and video it on the stand and road.
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post #25 of 40 Old Dec 4th, 2014, 12:07 pm
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Re: RT vibration at 3000rpm

Being very new to the RT boxer engine I also noticed some vibration starting around 4,000 RPM. With less than 300 miles ridden on boxers I wasn't sure if this was considered normal or not. Both my "K" bikes had a "buzz" zone so suspected similar with the boxer engine. It will be 5 months of PMS before I can check to see what the "buzz" zone is on my RT.

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post #26 of 40 Old Dec 4th, 2014, 4:30 pm Thread Starter
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Re: RT vibration at 3000rpm

Well i have been given a contact for a bmw tec here in Tasmania i sent him a message last night hopefully he will get back to me soon.

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post #27 of 40 Old Dec 5th, 2014, 9:02 am Thread Starter
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Re: RT vibration at 3000rpm

Hi all well I had a call today the tec informs he thinks it might have something to do with the balance shaft but will need it for a day or two to investigate. As many of you had said it could be as easy as a alternator belt.

Anyway I will keep you all up to date

Cheers
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post #28 of 40 Old Dec 5th, 2014, 4:22 pm
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Re: RT vibration at 3000rpm

Bushytas,
Ian here. I live on the north island as you Taswegians like to call it, but I do get down to Tasmania every now and then.
I would be interested to hear how good you find the BMW tech. I hope I would not need one when I was down there but shite does happen.

Ian
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post #29 of 40 Old Dec 5th, 2014, 4:26 pm
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Re: RT vibration at 3000rpm

the RT's a twin so it will have some engine vibrations... but if its enough to make your hands feel numb at 3K, then i would really have to say its the THrottleBodies like other folks mentioned.

The service schedule indicates that u need to do a TB sync after every service (every 10K KM).

The TB sync is a easy DIY if u have the right tools like a TwinMax. If the TB's are slightly out of synch, you'll feel it in RPM's outside of idle. at idle its smooth.

Dealer costs made me do my own service - after doing it the first time, realized how easy it was. Doing valve checks and TB syncs on this bike is a synch and zero drama.
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post #30 of 40 Old Dec 5th, 2014, 5:17 pm Thread Starter
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Re: RT vibration at 3000rpm

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the RT's a twin so it will have some engine vibrations... but if its enough to make your hands feel numb at 3K, then i would really have to say its the THrottleBodies like other folks mentioned.

The service schedule indicates that u need to do a TB sync after every service (every 10K KM).

The TB sync is a easy DIY if u have the right tools like a TwinMax. If the TB's are slightly out of synch, you'll feel it in RPM's outside of idle. at idle its smooth.

Dealer costs made me do my own service - after doing it the first time, realized how easy it was. Doing valve checks and TB syncs on this bike is a synch and zero drama.
Yes I hear you on the cost side of things.
At this point I haven't had the bike long enough to start buying tool so this first check up will have to be done by a tec. But I will be buying tool over the next 6 months to do my own services, but I have another thing I would like him to check out at the same time.
The bike seems to have a small amount of drive line play and you can feel it when backing off and rolling on the throttle again plus the bikes an unknown to me and I'm not really sure where to start hopefully he will show me around the bike.

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post #31 of 40 Old Dec 6th, 2014, 7:25 am
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Re: RT vibration at 3000rpm

In the old days "ring finger" numbness was a common phenomena and I had it on my '04 so I'm not sure that you'll eliminate it completely. As others say, keep it in a happy zone: 3800+ RPMs, sit upright w/o leaning on the bars and never have a tight grip, just mho.

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post #32 of 40 Old Dec 7th, 2014, 8:04 pm
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Re: RT vibration at 3000rpm

The RT does have driveline lash when you back off and on abruptly, so no problem there. Mine mostly does this at very slow speeds, or at least that's where I notice it most.
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post #33 of 40 Old Dec 7th, 2014, 8:52 pm Thread Starter
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Re: RT vibration at 3000rpm

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The RT does have driveline lash when you back off and on abruptly, so no problem there. Mine mostly does this at very slow speeds, or at least that's where I notice it most.
I have to get the video camera out and film it hopefully its just me being new to the RT

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post #34 of 40 Old Dec 8th, 2014, 2:59 pm
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Re: RT vibration at 3000rpm

Again, if you're running 3000 rpm in any gear higher than 2nd, you're lugging the motor if you're attempting to accelerate or even maintain that speed.

Does it vibrate going through 3000 as rpms are dropping from higher?

Kent Christensen
Albuquerque
'12 R1200RT, '02 R1100S, '84 R80G/S
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post #35 of 40 Old Dec 8th, 2014, 3:37 pm
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Re: RT vibration at 3000rpm

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Originally Posted by lkchris View Post
Again, if you're running 3000 rpm in any gear higher than 2nd, you're lugging the motor if you're attempting to accelerate or even maintain that speed.

Does it vibrate going through 3000 as rpms are dropping from higher?
I agree with Kent. 3K is the minimum I run with no load, anything below that I downshift. I try to keep it in the range of 3500-4500 to balance performance and mileage.

And I also agree with many of the above - a good TB sync will improve your day like nothing else (well, maybe a nice bottle of wine ...).

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post #36 of 40 Old Dec 8th, 2014, 4:10 pm
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Re: RT vibration at 3000rpm

4k is my minimum

Kent Christensen
Albuquerque
'12 R1200RT, '02 R1100S, '84 R80G/S
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post #37 of 40 Old Dec 8th, 2014, 6:18 pm
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Re: RT vibration at 3000rpm

You just made a post regarding a stolen bike. What's up?

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post #38 of 40 Old Dec 8th, 2014, 6:27 pm Thread Starter
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Re: RT vibration at 3000rpm

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Originally Posted by Forester View Post
You just made a post regarding a stolen bike. What's up?
Thats not my bike thank god but a guy in the UK.

he had his bike parked in the driveway overnight and someone wanted it more than him just passing on the info

you can read about on facebook https://www.facebook.com/groups/8320302439/

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post #39 of 40 Old Dec 13th, 2014, 6:25 am
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Re: RT vibration at 3000rpm

Quote:
Originally Posted by Bushytas View Post
Thats not my bike thank god but a guy in the UK.

he had his bike parked in the driveway overnight and someone wanted it more than him just passing on the info

you can read about on facebook https://www.facebook.com/groups/8320302439/
Gotcha. Hope he has success in the recovery.

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post #40 of 40 Old Nov 4th, 2018, 9:39 pm
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Re: RT vibration at 3000rpm

I just aquired a new 2018 R 1200 gs rallye. Its a great bike but has the above mentioned high frequency vibration in the handlebars when decelerating thru 3000 rpm. It varies a little but mostly 3000-2500. If I'm very careful with the throttle I can get it to vibrate like this on slow acceleration as well. It seems to be more prevalent in 3rd and 4th gear and disappears when I pull the clutch in. Once above 3200 there is very little vibration at all. I also have a LC RT and never felt a vibration like this and currently have 23,000 miles on it. I'm headed back to the dealer on Tues. but curious if anyone has suggestions.
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