Do the vibrations get better?

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Twisty
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Do the vibrations get better?

Post by Twisty » Sun Jan 28, 2018 3:04 pm

So I’ve put 600 miles on the GT and really like a lot about the bike. I love the seating position and handling. I personally haven’t had an issue with the suspension. But my ‘16 seems to vibrate an awful lot, even at high rpm. Does this improve as the engine beds in over time?

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Re: Do the vibrations get better?

Post by TUBSY » Sun Jan 28, 2018 4:06 pm

hi first time out on mine today but cant comment on high revs but upto 6000 revs no vibrations on mine only done 100 miles 2017 model

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Re: Do the vibrations get better?

Post by AllanP » Sun Jan 28, 2018 6:30 pm

Vibration is difficult to discuss without a benchmark. I'd say for instance that my 2016 vibrates a lot less than my 2008 990SD and about the same as an RC8R I rode for a weekend at Laguna Seca. Did you have anything in mind that you think it compares badly with?

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Re: Do the vibrations get better?

Post by GaryCulb » Sun Jan 28, 2018 11:45 pm

Twisty,

Are you talking about handlebar or engine vibration?? Have found that engine vibration is very dependent upon gear & RPM's. Best,

Doc :? :?

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Re: Do the vibrations get better?

Post by Twisty » Mon Jan 29, 2018 1:08 am

When I test rode the GT, it was a ‘17. I was blown away. A refined beast. I don’t recall a lot of engine vibration. But there was a ‘16 at a different dealer that was deeply discounted. It had 0 miles on it. They let me turn it on, but wouldn’t let me test ride it. Perhaps foolishly I bought that bike. It has never felt like the other ‘17 I test rode. I’ve changed to a 40 T rear sprocket. I’ve learned to aggressively use the throttle, usually shifting above 5000 rpm. And that has helped. But the bike just has a ton of engine vibrations. I feel it mostly in the pegs. It gets to me on long rides after 3-4 hours. I’m bringing the bike in for the 600 mile service. Maybe it’s an easy fix. But I’m not holding my breath. Thanks for your input.

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Re: Do the vibrations get better?

Post by GaryCulb » Mon Jan 29, 2018 2:57 am

When I first road a 2016 KTM SDGT I felt something very similar. It was not much different on the 2017. Switched out driver foot pegs so there was some rubber & it helped. Went with the Puig product; Puig footpeg adaptors & Trail footpegs ( https://www.revzilla.com/motorcycle/pui ... -2014-2016 , https://www.revzilla.com/motorcycle/puig-trail-footpegs ).

It is a bit difficult to change out the driver pegs on a KTM SDGT (i.e. hammer, etc.). If you do this consider letting the KTM dealer change them out. Puig makes several different foot peg types with rubber; https://puig.tv/en/bybike/ktm-1290-superduke-gt_2016 . Best,

Doc :) :)
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Re: Do the vibrations get better?

Post by jjscsix » Mon Jan 29, 2018 3:09 am

I rode a friends new 2018 SDR today. The only place I noticed vibration that was mildly concerning was actually through the seat. Not enough to stop me from getting the GT, but I'm curious if you folks notice it in the seat. I thinking maybe the bigger seat on the GT my dampen the vibration.

What little vibration I felt through the pegs and handlebars was much more RPM sensitive and most of the time I did not feel it at all. BTW, my friend was leading on a lonely country road on my 1600 BMW and we were cruising between 85-95 for about 25 miles. I really like the bike!
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Re: Do the vibrations get better?

Post by DaveNZ » Mon Jan 29, 2018 4:29 am

16,000Kms on mine, mild vibration, bars and right peg i think from memory, but mild, its a twin (a fucking big twin) the engine does smooth out, it takes about 1600Kms to fully run in and settle in. I have a 640 track bike, now that thing vibrates the shit out of me. :D
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Re: Do the vibrations get better?

Post by AllanP » Mon Jan 29, 2018 7:36 am

Your experience with the 2017 is good benchmark Twisty. The only issue which I recall causing engine vibration that was curable on other bikes I've owned was the fueling/ignition timing. Air leaks into the inlet tracts downstream of the fuel injectors or even on the exhaust side can do it. Does the engine ever make popping sounds or even large backfires decelerating from higher engine speed with the throttle closed?

Its been a while since I rode one, but my memory of riding a Multistrada for a week was that it was smoother than my 2016 SD-GT and its a large V-twin. I think however, that I quite like the lumpy engine feel of v-twins.

Its a pity you don't live closer to Texas, you'd be welcom to ride my 2016 to see if there is a difference.

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Re: Do the vibrations get better?

Post by jjscsix » Mon Jan 29, 2018 11:28 am

AllanP wrote:
Mon Jan 29, 2018 7:36 am
Your experience with the 2017 is good benchmark Twisty. The only issue which I recall causing engine vibration that was curable on other bikes I've owned was the fueling/ignition timing. Air leaks into the inlet tracts downstream of the fuel injectors or even on the exhaust side can do it. Does the engine ever make popping sounds or even large backfires decelerating from higher engine speed with the throttle closed?

Its been a while since I rode one, but my memory of riding a Multistrada for a week was that it was smoother than my 2016 SD-GT and its a large V-twin. I think however, that I quite like the lumpy engine feel of v-twins.

Its a pity you don't live closer to Texas, you'd be welcom to ride my 2016 to see if there is a difference.
I never feel any vibrations at cruising speed on my 1199 Panigale.
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Re: Do the vibrations get better?

Post by jfink » Mon Jan 29, 2018 12:29 pm

I think that vibration is a personal ASSessment. (see what I did there :D) My 990 Adventure V-twin shakes like a box of rocks in a cement mixer. It's the same LC8 for goodness sake. I was expecting the same from the SDGT, but when I rode it for the first time, I was surprised by just how smooooth it was. Then back on the BMW yesterday, and I realized it really isn't that smooth. I guess I need to go ride the 990 again and desensitize my ASSessment.
Joe

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Re: Do the vibrations get better?

Post by jjscsix » Mon Jan 29, 2018 12:43 pm

jfink wrote:
Mon Jan 29, 2018 12:29 pm
I think that vibration is a personal ASSessment. (see what I did there :D) My 990 Adventure V-twin shakes like a box of rocks in a cement mixer. It's the same LC8 for goodness sake. I was expecting the same from the SDGT, but when I rode it for the first time, I was surprised by just how smooooth it was. Then back on the BMW yesterday, and I realized it really isn't that smooth. I guess I need to go ride the 990 again and desensitize my ASSessment.
Joe, if you fit on my Panigale you need to ride it sometime and see what you think. Just promise not to flip it and don’t tell Laura ;)
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Re: Do the vibrations get better?

Post by Aussie Dave » Wed Jan 31, 2018 10:36 am

Hi all. I have a 2017 (well that's what it says on the owners manual - though it was assembled at KTM-HQ in Nov16).

It was a bit sharp and testy when I first rode it (like all new bikes.....takes time to adjust and also to bed in). But it got nicer as time and miles grew......here's a tip......put it in 'Sport' throttle map - I found mine was easier to ride in sport than in Street, but I had done over 6000kms before I thought to try this..... :roll:

It may be the early 2016 assembled GTs might need some throttle body synchronisation (whew, that's a long word ;) ) to make them as smooth as the 2017 designated bikes. As far as I know, they are all the same, I suspect maybe the later 16 and then 17 models were just assembled with more care (maybe??) and attention......or the original dealer mightn't have pre-delivered it as well as my local crew. (thought I had read somewhere in the SD-R forum about guys re-setting their butterfly's as they were out of synch from the factory at that time - GT was a much later build/design....)

I'd ask the dealer to tune it thoroughly at the 620mile service as it should be pretty smooth (it will let you know it's a high strung twin - but it isn't a hand numbing, feet buzzing, seat fuzzing thing ;) ).

Also, there might be some outstanding factory re-calls that they will attend to - could make all the difference.

These things come with metal pegs - I wondered about them as I'm used to decades on rubber Japanese foot pegs - nothing to bother about.......mines as smooth-as-a......(well, almost...) and when I'm up it for the rent it's got my attention focused on what I'm about to hit, so I haven't noticed anything else (mirrors, etc etc :oops: ).

Best wishes for a smooth outcome :)

Ps I've always had my 4 cyl engines balanced using "mercury" manometers (nowdays called 'fluid manometer' as mercury is a hazadous substance - still works in my manometer :lol: ), rather than useless vacuum gauges - those motors were very smooth - it's even possible you might have an air leak somewhere - causing an unwelcome vibe.......just like dry chain vibes......there'll be an answer somewhere in the bike and when your guys spot it and remedy it you'll be :D :D

My chain is getting a little loose now at 11,000kms but that shouldn't be a concern at your mileage.....
Last edited by Aussie Dave on Thu Feb 01, 2018 6:32 am, edited 5 times in total.
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Re: Do the vibrations get better?

Post by jjscsix » Wed Jan 31, 2018 12:38 pm

My experience in the past is that throttle body Synchronize only effects low throttle settings and off idle transitions. Everything I have read in the past is that it has no effect on cruising speeds. Obviously that is based upon the bikes I had at the time, but I think the theory as to what you are adjusting is the same. I could be wrong, but that's what everything I found said.
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Re: Do the vibrations get better?

Post by dasjefe » Mon Apr 02, 2018 1:50 am

I have a 2017 and don't get much vibration at cruising speeds. Just the normal vibes running up the RPMs - especially in the lower rev range. It seems like it has gotten smoother as the bike racked up miles. The bike likes to be at or above 5k RPM. Optimal cruising speed in top gear is about 100 MPH. The new 1200s and 1260S Multistradas have more vibrations going through the rev range (the instrument cluster looks like it will shake loose), though they are also more tolerant of being at lower revs.

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Re: Do the vibrations get better?

Post by Dewayne Edwards 1974 » Mon Apr 02, 2018 11:23 pm

I have a 2016 and no major vibration at all, so I don’t know


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