BMW R1200GS wheel spoke problem - Page 2 - BMW R1200GS Forum : R1200 GS Forums
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post #11 of 33 (permalink) Old 15-Nov-2018, 05:06 PM (962)
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Originally Posted by Millsaps2 View Post
What is the basic reason for the spokes to become loose? Is it low tensile strength of the spokes and they are stretching? Is the grub defective? Makes you wonder why only 10-12 spokes per wheel. I haven't seen a clear explanation on the Forums or from BMW
Good luck with that "clear explanation" thing. Here is sort of a wise ass answer to why they come loose. The wheel is round. Dah. It isn't round when you hit bumps. Spokes have to change length somewhat when they hit bumps and the spokes and rim deform. Grub screws will loosen a bit, can't tighten (think about that). When they loosen the nipple can back out. This probably happens little by little over time. To add flame to the fire there two groups that say: you need to Loctite grub screws and another that says you don't. There is a third, very small group that says you don't need grub screws at all. See what I mean about getting a clear explanation.

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Last edited by OldButNotDead; 15-Nov-2018 at 05:08 PM (964).
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post #12 of 33 (permalink) Old 15-Nov-2018, 05:11 PM (966)
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I believe the cause of the current problem with loose spokes on BMWs is that the spokes were never properly tightened to begin with.
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post #13 of 33 (permalink) Old 16-Nov-2018, 10:03 AM (669)
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Am I correct in reading that this issue of loose spokes covers (a portion of) 2017 & 2018 produced GSs..?
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post #14 of 33 (permalink) Old 16-Nov-2018, 11:22 AM (723)
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Seems to me only 2018. Don't remember any complaints in 2017. I found one loose spoke on my 2014 the other day.
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post #15 of 33 (permalink) Old 16-Nov-2018, 03:17 PM (886)
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Originally Posted by bmwbob51 View Post
Seems to me only 2018. Don't remember any complaints in 2017. I found one loose spoke on my 2014 the other day.
On my 2016 I had something like four plus some dull sounding ones. Rear had a bunch of dull sounding one. I think Pterodactyl is spot on. The wheels weren't tightened correct at the factory.

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post #16 of 33 (permalink) Old 16-Nov-2018, 03:47 PM (908)
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Originally Posted by OldButNotDead View Post
On my 2016 I had something like four plus some dull sounding ones. Rear had a bunch of dull sounding one. I think Pterodactyl is spot on. The wheels weren't tightened correct at the factory.
I'm sure there's some kind of settling in period first time the spokes are tightened that could be a factor or a metallurgical change in the spoke metal formula.
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post #17 of 33 (permalink) Old 16-Nov-2018, 05:12 PM (967)
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I'm sure there's some kind of settling in period first time the spokes are tightened that could be a factor or a metallurgical change in the spoke metal formula.
Sounds good Bob, but dontcha think the elves from Bavaria should have put something in the scheduled maintenance schedule??? Maybe even the 600 mile checkup? There was a time when the majority of motorcycles had spoked wheels and none of mine had a spoke break in period. Jus sayin'

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post #18 of 33 (permalink) Old 16-Nov-2018, 07:18 PM (054)
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BMW has used this same basic design for spoked tubeless wheels since at least 1993; my 1993 R100GSPD had spoked tubeless wheels. I do not think it is a design flaw or that there needs to be a running in adjustment. I believe there was a failure in the quality control of the assembly process.
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post #19 of 33 (permalink) Old 08-Mar-2019, 08:02 PM (084)
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Hi All,

Has anyone ever try to true their BMW R1200GS rims on their own?

I hear it's very complicated.
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post #20 of 33 (permalink) Old 08-Mar-2019, 08:06 PM (088)
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Hi All,

Not sure if I missed the post so please forgive me.
Has anyone ever try to true their BMW R1200GS rims on their own?

I hear it's very complicated.

Kind Regards,
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