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Author Topic: Drive shaft judder!!??  (Read 3797 times)

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Offline DoctorW02

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Drive shaft judder!!??
« on: September 28, 2020, 07:54:37 pm »
Hi there, hope you are all well in these dodgy times.
Last 2 sides I've noticed a fairly "severe" juddering on my K1300R. It happens when I'm slowing down to perhaps 2 to 10mph witj clutch pulled in, or just slipping a touch. If increase revs and let clutch out the juddering is there briefly and then goes, but it does feel very clunky/ disconcerting and deffo not right.
Dealer job I'm guessing, but any thoughts re what's going on?
Cheers,
Andrew.
« Last Edit: September 28, 2020, 07:56:30 pm by DoctorW02 »
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Offline raesewell

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Re: Drive shaft kidder!!??
« Reply #1 on: September 28, 2020, 07:56:02 pm »
It's not unknown for the clutch plates to warp, it happened on my 12GT.
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Offline DoctorW02

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Re: Drive shaft judder!!??
« Reply #2 on: September 28, 2020, 07:58:47 pm »
Oh ok - that sounds less worrying than a knackered drive shaft!! Bikes done 12.5k and doesn't have a hard life.
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Offline raesewell

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Re: Drive shaft judder!!??
« Reply #3 on: September 28, 2020, 08:07:29 pm »
Quote from: DoctorW02 on September 28, 2020, 07:58:47 pm
Oh ok - that sounds less worrying than a knackered drive shaft!! Bikes done 12.5k and doesn't have a hard life.
With that kind of mileage it's unlikely to be the final drive or shaft. Although checking the bolts are tight costs nothing.
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Offline DoctorW02

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Re: Drive shaft judder!!??
« Reply #4 on: September 28, 2020, 08:12:31 pm »
Not sure if this is a totally ludicrous question - could you advise which bolts I should be checking please?
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Offline raesewell

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Re: Drive shaft judder!!??
« Reply #5 on: September 28, 2020, 08:14:39 pm »
Any bolts that connect the final drive and shaft to the frame/engine.
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Offline DoctorW02

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Re: Drive shaft judder!!??
« Reply #6 on: September 28, 2020, 08:17:22 pm »
Cool. Will check this out. Thanks,
Andrew.
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Offline DoctorW02

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Re: Drive shaft judder!!??
« Reply #7 on: September 28, 2020, 08:18:40 pm »
Also, any reason why the kidder only happens at low speed / under little or no load?
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Offline raesewell

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Re: Drive shaft judder!!??
« Reply #8 on: September 28, 2020, 08:19:07 pm »
Another option put the bike on the centre stand put it in gear and move the back wheel backwards and forward and list and feel for anything strange.
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Offline DoctorW02

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Re: Drive shaft judder!!??
« Reply #9 on: September 28, 2020, 08:49:46 pm »
No centre stand unfortunately. Will check bolts and then make a few calls as necessary also👍
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Offline raesewell

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Re: Drive shaft judder!!??
« Reply #10 on: September 28, 2020, 09:39:36 pm »
No centre stand, put it in gear and rock the bike backwards and forwards and listen for any noises.
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Offline DoctorW02

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Re: Drive shaft judder!!??
« Reply #11 on: September 28, 2020, 10:13:34 pm »
👍👍🙂🙂thank you. If noise =? And if no noise = ? (as a best guess?)
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Offline farmer

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Re: Drive shaft judder!!??
« Reply #12 on: September 29, 2020, 03:26:53 pm »
is it only doing this under braking rather than slow riding...might be worth checking the brake discs.
i would also check every joint and bush round your drive shaft for play, i think if it was a hardy spicer you would hear it... other members may have more knowledge of that. how is your tyre condition? feathered sides do funny things. as rae says could be a warped clutch but that would be extreme... and would make me cringe a little...
if it was a wheel bearing you would probably get an exciting floaty feeling round corners.
it may be none of the above but that should fill in your evening.
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Offline Phmode

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Re: Drive shaft judder!!??
« Reply #13 on: September 30, 2020, 12:04:11 am »
What gear are you in when it does this (and don't say full leathers and a helmet...
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Offline DoctorW02

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Re: Drive shaft judder!!??
« Reply #14 on: October 09, 2020, 02:35:28 pm »
Well I think it was the hugger - too close. Not 100% convinced, but have adjusted and been ok since11
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