Play at top yolk? Ball joint, bearing or both?

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Rufus
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Play at top yolk? Ball joint, bearing or both?

Postby Rufus » Mon Oct 18, 2021 3:57 pm

The R1100S has recently developed some play at the top yolk.
Is it more likely to be the ball joint, the bearing or a combination ot the 2?
Tempted to just order both parts and replace them regardless.
Also, is there an easy method to remove the ball joint nut?
Thanks

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nab 301
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Re: Play at top yolk? Ball joint, bearing or both?

Postby nab 301 » Mon Oct 18, 2021 5:08 pm

There is no bearing on the R11s , just the upr and lwr balljoint. I've never had to remove mine yet so no help to you . Maybe just try re torquing the small nut (on the wishbone side ,) I'm sure over the years a couple on here found that sorted it.
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1999 R1100s (mandarin) '
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dave the german
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Re: Play at top yolk? Ball joint, bearing or both?

Postby dave the german » Mon Oct 18, 2021 9:03 pm

If you’re removing the ball joint heat it up first
'15 R1200GS TE
'06 R1200S
'04 BCR
Yam SR 500 long term restoration
wanna win the lottery and ride my bike

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dark_knight87
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Re: Play at top yolk? Ball joint, bearing or both?

Postby dark_knight87 » Wed Oct 20, 2021 12:13 pm

I got one of these tools to help loosen/tighten the top nut on the ball joint as you also need to hold the ball of the joint with an allen key at the same time:-

https://www.ffx.co.uk/product/Get/Seale ... jgQAvD_BwE

Regards,
Russ
It started badly, it tailed off a little in the middle and the less said about the end the better, but apart from that it was excellent.

Rufus
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Joined: Sun May 09, 2021 3:43 pm

Re: Play at top yolk? Ball joint, bearing or both?

Postby Rufus » Thu Oct 21, 2021 9:35 pm

dark_knight87 wrote:I got one of these tools to help loosen/tighten the top nut on the ball joint as you also need to hold the ball of the joint with an allen key at the same time:-

https://www.ffx.co.uk/product/Get/Seale ... jgQAvD_BwE

Regards,
Russ

Where did you get your replacement balljoint from?

dave the german
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Location: North East

Re: Play at top yolk? Ball joint, bearing or both?

Postby dave the german » Fri Oct 22, 2021 2:04 pm

Motorworks did have them listed for about £90 ish
'15 R1200GS TE

'06 R1200S

'04 BCR

Yam SR 500 long term restoration

wanna win the lottery and ride my bike

Pete.
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Re: Play at top yolk? Ball joint, bearing or both?

Postby Pete. » Fri Oct 22, 2021 2:56 pm

Check first that the nut hasn't started coming undone. They are fitted with threadlock but if it's been off and back on again it can work loose.

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dark_knight87
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Location: Rowley Regis - West Midlands

Re: Play at top yolk? Ball joint, bearing or both?

Postby dark_knight87 » Mon Oct 25, 2021 12:03 pm

Rufus wrote:
dark_knight87 wrote:I got one of these tools to help loosen/tighten the top nut on the ball joint as you also need to hold the ball of the joint with an allen key at the same time:-

https://www.ffx.co.uk/product/Get/Seale ... jgQAvD_BwE

Regards,
Russ

Where did you get your replacement balljoint from?


I didn't replace the whole ball joint I just needed to replace the rubber dust bellows.

Regards,
Russ
It started badly, it tailed off a little in the middle and the less said about the end the better, but apart from that it was excellent.

Rufus
Posts: 12
Joined: Sun May 09, 2021 3:43 pm

Re: Play at top yolk? Ball joint, bearing or both?

Postby Rufus » Tue Oct 26, 2021 8:57 pm

Pete. wrote:Check first that the nut hasn't started coming undone. They are fitted with threadlock but if it's been off and back on again it can work loose.

Cheers Pete, it was just that.But we took it all apart and checked it over anyway.
Seemed to do up nice and tight with my cordless impact driver.
I'll keep an eye on it.
Slightly disconcerting the way the fork lowers and uppers seperate with nothing holding them together, ie a C clip, like a conventional fork!!!

Pete.
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Re: Play at top yolk? Ball joint, bearing or both?

Postby Pete. » Tue Oct 26, 2021 10:37 pm

If it works loose again Rufus stick some threadlock on it. That's what I had to do.


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