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Author [ES] [MY] [PL] [PT] [IT] [DE] [FR] [NL] [DK] [NO] [GR] [TR] Topic: Drag link rubbing on drop link  (Read 327 times)

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Offline slartidbartfast

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Drag link rubbing on drop link
« on: 25 December, 2018, 11:49:10 PM »
I heard some squeaking so took the rear suspension apart to service the bearings.  I was pleased to note that none of the bearings were dry, rusty or worn.  However, I noted some rubbing between the drop link and drag link.

Can't see anything bent and the pivot sleeves all look OK and are the same length. The bike has an Elka shock and I did note that there appears to be a small washer on one side of the top mount.  Not sure if that could push things out of line if it was on the wrong side but have not removed it to check yet.

Ideas?



2008 Tiger 1050 ABS, 2016 KTM 1290 SA(T), 1985 BMW R80RT, 2008 Suzuki Vstrom 650 ABS, 2006 Suzuki DR 350, 1987 Yamaha TW 200, 2001 Hyosung 125

Offline slartidbartfast

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Re: Drag link rubbing on drop link
« Reply #1 on: 09 January, 2019, 02:25:28 PM »
I undid the top mount for the shock and, as far as I can tell, it has enough rubber-mounted play in it to not be putting any significant sideways leverage on the linkage.  So... I'm still at a loss to understand the cause of this scraping between the link parts.  Maybe I'll remove them again and do more than just an eyeball test for straightness.  The bike tracks straight hands-off so I doubt there's anything major twisted or mis-aligned.
2008 Tiger 1050 ABS, 2016 KTM 1290 SA(T), 1985 BMW R80RT, 2008 Suzuki Vstrom 650 ABS, 2006 Suzuki DR 350, 1987 Yamaha TW 200, 2001 Hyosung 125

Offline ZuluTiger

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Re: Drag link rubbing on drop link
« Reply #2 on: 10 January, 2019, 08:46:18 AM »
That certainly looks wrong. Maybe the bush is not centred correctly and needs a little pressing..

Offline Paul2bikes

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Re: Drag link rubbing on drop link
« Reply #3 on: 10 January, 2019, 09:10:25 AM »
Has the bike been crashed at any time?
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Offline gosling 1

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Re: Drag link rubbing on drop link
« Reply #4 on: 10 January, 2019, 12:23:06 PM »
There may be a problem with the needle bearings in the drag link, (dog bone).  If the bearings are worn or a couple of the "needles" are damaged or missing  from past removal/cleaning, the link may move a bit under compression. There is quite a bit of force exerted on those two link mounting points. A new one is listed for around $50 US but I am not sure if it comes complete with bearings installed.

https://www.triumphestore.com/a/Triumph_2008_Tiger-1050/_51526_5784555/Rear-Suspension-Linkage/100058832-0-2.html
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