Author [NL] [FR] [ES] [DE] [SE] [IT] Rear Suspension links - bearing maintenance  (Read 1168 times)

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  • Offline Chippy4467   gb

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    Offline Chippy4467

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    Rear Suspension links - bearing maintenance
    on: Feb 09, 2024, 08.04 pm
    Feb 09, 2024, 08.04 pm
    I may have been said before on here, and it certainly has been on the Tiger 1200 forum, but Triumph are not generous with lubrication of the suspension linkage and neither do they use high material spec for the bearing "gudgeon pins".  Its wise to do an annual or 2A clean and lub of these parts as the pins corrode quickly at the ends (outside of the bearing grease seals) meaning that when they do need to be separated the corrosion knackers the ro9ller bearings as they are pushed/pressed through. In extremis the bearings could end up seizing (as has happened on the 1200s with one unfortunate owner having the "floating link" snap whilst riding two up  :005:
    I bought a set of Lust Racing dogbones end last year to raise the rear by 15mm but due to circumstances only got round to fitting them today. (2020 800XRT). Whilst the pins were not as bad as they were on my Gen2 Explorer at 3 years old they certainly would have done some damage if left much longer!  I managed to clean them up with 1000grit wet & dry whilst spinning them in my lathe and the rollers were OK in all the bearings. 
    Couple of things to watch if you are doing this job:
    Don't try it with back wheel in place.  Technically possible but so much easier if its not in the way
    I took the side stand bracket and associated steel lower chain guard off to gain access to remove the bolt holding the floating link to the frame - not realising the lower bolt holds the centre stand as well  :005: :087: .  Only realised when I couldn't get the bolt back in on re-assembly - the centre stand (which was supporting the bike!) had unsurprisingly moved.  Lots of swearing and help from my son leaning bike to right I managed to re-align the holes and all is good
    Also the small canister (I assume part of the evaporative/emission control system) inside the frame next to side stand switch has the be unbolted & moved forward slightly (enough movement in the hoses) iot remove the bolt holding the floating link to the frame!
    Somewhat bizarrely, the "floating link" on the 800 is far more substantial than the one on its Gen 1-3 big brothers  :087: so a total failure is I suggest less likely.
    Still worth cleaning and greasing every one in a while though.
    The original dog bones measured in at 153mm to centres and the +15mm jack up ones are 148mm so with a difference of 5mm assume there is a 3:1 ratio in the linkage.
    Finally its now a lot easier to get onto centre stand  :002:











    Last Edit: Feb 09, 2024, 08.12 pm by Chippy4467

  • Offline mcinlb   scotland

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    Re: Rear Suspension links - bearing maintenance
    Reply #1 on: Feb 10, 2024, 08.33 am
    Feb 10, 2024, 08.33 am
    I did mine on the Tiger 800 / 900 as per the 12k service(to cut down on expense at the dealer) and did find that they were a bit mean on the lub from the factory. Gave them a good clean and relubed..  Also the head bearings are not over lubed from new , gave them a good greasing at the 12k service ..
    Didn't do them again though at 24k  :003:

  • Offline grizzlybear   gb

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    Re: Rear Suspension links - bearing maintenance
    Reply #2 on: Feb 10, 2024, 05.32 pm
    Feb 10, 2024, 05.32 pm
    I don't understand the bit about the centre stand is attached to the suspension, it certainly doesn't on my tiger 800Xr. Apologies in advance if I have misread your post    :084:
    Safe Riding
    Dave( Grizzlybear) honda 125T,  Z650C2, GPZ750, GTR1000, VX800, VN1500 ,2013 tiger800,2018 Tiger800Xr, CG125 and loads of C90`s  :)

  • Offline grizzlybear   gb

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    Re: Rear Suspension links - bearing maintenance
    Reply #3 on: Feb 11, 2024, 12.32 pm
    Feb 11, 2024, 12.32 pm
    Broke one of rules, replying to a post after a few  :031:  :745: . After looking at my tiger I understand your bit about the centrestand coming detached  :008:
    Safe Riding
    Dave( Grizzlybear) honda 125T,  Z650C2, GPZ750, GTR1000, VX800, VN1500 ,2013 tiger800,2018 Tiger800Xr, CG125 and loads of C90`s  :)

  • Offline Chippy4467   gb

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    Offline Chippy4467

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    Re: Rear Suspension links - bearing maintenance
    Reply #4 on: Feb 11, 2024, 01.23 pm
    Feb 11, 2024, 01.23 pm
    *Originally Posted by grizzlybear [+]
    Broke one of rules, replying to a post after a few  :031:  :745: . After looking at my tiger I understand your bit about the centrestand coming detached  :008:
      :008:  :008:
    (although I wasn't laughing when it happened, especially as I had just been laid under the back end torqueing the links back up to 80nm BEFORE I realised..................)

  • Online chuckxc   au

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    Re: Rear Suspension links - bearing maintenance
    Reply #5 on: Feb 14, 2024, 08.04 am
    Feb 14, 2024, 08.04 am
    I recently cleaned and greased the rear suspension bearings  on my 2018 XCX and agree, it was needed. Admittedly, I was negligent- I didn't get around to doing it until 42,700 km. (Slack, I know)
    But I agree, it needs to be done, Triumph were stingy on the factory grease.
    Recommend doing it, especially on the off road models.

    Laterally unstable unless moving.

    My third Triple - 1976 Laverda 3CL Jota
    My 4cyl grunt - 2005 Honda CB1300F

  • Offline Mattventuring   gb

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    Re: Rear Suspension links - bearing maintenance
    Reply #6 on: Feb 14, 2024, 11.29 am
    Feb 14, 2024, 11.29 am
    I did mine too recently but went further and removed the swing arm and shock too. As mentioned nothing is well lubed from the factory.

  • Offline Stevie.P   gb

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    Offline Stevie.P

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    Re: Rear Suspension links - bearing maintenance
    Reply #7 on: Feb 14, 2024, 11.51 am
    Feb 14, 2024, 11.51 am
    *Originally Posted by Mattventuring [+]
    I did mine too recently but went further and removed the swing arm and shock too. As mentioned nothing is well lubed from the factory.

    Hoping to get mine serviced before next Megameet as now at 33k miles and drop link not greased since 12k service and thinking swing arm bearings likely could also benefit from a refresh of grease. My question being, AIR from past posts, did you need to split and remove the exhaust to be able to remove the swinging arm pivot bolt. :027:

    I have, in the past in preparation, bought a tub of ACF50 waterproof grease to try as my choice of lube considering the operating environment the bearings are in.
    https://acf50.co.uk/product/corrosion-block-grease-16oz-tub/
    Also owned my 1979 Bonnie T140E from new!
    We don't stop playing because we grow old .. WE GROW OLD BECAUSE WE STOP PLAYING!!!


  • Offline Londonglide   gb

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    Re: Rear Suspension links - bearing maintenance
    Reply #8 on: Feb 14, 2024, 03.05 pm
    Feb 14, 2024, 03.05 pm


    [/quote] I have, in the past in preparation, bought a tub of ACF50 waterproof grease to try as my choice of lube considering the operating environment the bearings are in.
    https://acf50.co.uk/product/corrosion-block-grease-16oz-tub/
    [/quote]

    That's what I use. Damn good stuff. Even use it in connectors for it's dielectric properties...

  • Online chuckxc   au

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    Re: Rear Suspension links - bearing maintenance
    Reply #9 on: Feb 14, 2024, 11.43 pm
    Feb 14, 2024, 11.43 pm
    *Originally Posted by Mattventuring [+]
    I did mine too recently but went further and removed the swing arm and shock too. As mentioned nothing is well lubed from the factory.

    What condition did you find with the swingarm bearings? Much deterioration from factory condition?
    Laterally unstable unless moving.

    My third Triple - 1976 Laverda 3CL Jota
    My 4cyl grunt - 2005 Honda CB1300F

     



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