Author [NL] [FR] [ES] [DE] [SE] [IT] Sheared gear lever mounting bolt  (Read 23591 times)

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  • Offline Redtail

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    Offline Redtail

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    Sheared gear lever mounting bolt
    on: Mar 15, 2015, 01.20 am
    Mar 15, 2015, 01.20 am
     :151:Today was left on the roadside (near Heathrow) after the gear lever mounting/pivot bolt sheared - good old AA were out within an hour to relay me home to Fleet Hampshire.
    Anyone else had similar probs - bike is 18 months old with 13.5k on the clock, bolt looks defective with only a small shiny area around one edge suggesting either a crack or fatigue fault (31 yrs RAF Aircraft Tech)
    Going back to Triumph on Monday, access to remaining bit not good.

    Update: on receipt of new bolt (supplied at no cost by Triumph - normally 5.80) it took 46 minutes to remove the footrest hanger, remove the broken piece of bolt, clean lube and lock tight and torque up a new bolt and reassemble.
    Dealership unable to do the job for over a week! Jobs a gud'un'!
    Last Edit: Mar 23, 2015, 01.50 pm by Redtail

  • Offline neojynx

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      #1

    Offline neojynx

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    Re: Sheared gear lever mounting bolt
    Reply #1 on: Mar 15, 2015, 04.01 am
    Mar 15, 2015, 04.01 am
    A number of people have already reported this very issue.  Not me - YET!

    G

  • Offline Gordon3xBBB   gb

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    Offline Gordon3xBBB

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    Re: Sheared gear lever mounting bolt
    Reply #2 on: Mar 15, 2015, 08.24 am
    Mar 15, 2015, 08.24 am
    I was alerted to this problem as I joined the Forum before I took delivery of my '12 TTSE with 8.5K miles at the beginning of January this year and read-up on minor niggles...

    Almost the first job I undertook on the TTSE was to replace both Gear and Brake lever Pivot Bolts - the Gear Lever PB was slightly bent as the witness scratch on the end of the Gear Lever told me the Bike had already been over at least once on the LHS..
    I also lubricated the Bearing shoulder of both new Pivot Bolts before securing with Loctite.

    Nice and smooth operation now. No further problems after 1600 miles..but it it something I will re-check later on

  • Offline Coconut   gb

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    Offline Coconut

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    Re: Sheared gear lever mounting bolt
    Reply #3 on: Mar 15, 2015, 10.22 am
    Mar 15, 2015, 10.22 am
    In the unlikely event of needing to demonstrate to your Dealer that yours is not an isolated case,
    here are some links to earlier discussions :

    Gearchange Pedal Pivot, and

    Gear Lever

    Cheers  :821:

    Last Edit: Feb 11, 2021, 12.06 pm by Coconut

  • Offline azgman   us

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    Offline azgman

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    Re: Sheared gear lever mounting bolt
    Reply #4 on: Mar 16, 2015, 03.09 am
    Mar 16, 2015, 03.09 am
    I proactively serviced my shift lever last night. It was a little challenging getting a few of the bolts out due to the thread lock (i did heat the bolts). My shift lever had some dry lube, but not much. I cleaned it all up and applied a good amount of boron grease and it is all good.
    Serial BMW rider

  • Offline triucati

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    Offline triucati

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    Re: Sheared gear lever mounting bolt
    Reply #5 on: Mar 16, 2015, 03.30 am
    Mar 16, 2015, 03.30 am
    *Originally Posted by azgman [+]
    I proactively serviced my shift lever last night. It was a little challenging getting a few of the bolts out due to the thread lock (i did heat the bolts). My shift lever had some dry lube, but not much. I cleaned it all up and applied a good amount of boron grease and it is all good.

    That is definitely too much information.  :001:

    But it sounds like you're keen to giver.   :745:
    Last Edit: Mar 16, 2015, 03.37 am by triucati

  • Offline davidcumbria

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    Offline davidcumbria

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    Re: Sheared gear lever mounting bolt
    Reply #6 on: Mar 16, 2015, 09.17 am
    Mar 16, 2015, 09.17 am
    Does anyone know if Triumph have introduced any modifications ie will my May 14 model be susceptible ? I imagine that the action of taking this pivot bolt out to grease it would be likely to worsen the risk of a future fatigue related shear so a new bolt is the only sensible option if you plan to remove the original even once.

  • Offline seadog   gb

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    Offline seadog

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    Re: Sheared gear lever mounting bolt
    Reply #7 on: Mar 16, 2015, 09.57 am
    Mar 16, 2015, 09.57 am
    I ordered 2 new bolts a few months back. I did have the cover off and checked the bolts they did look OK I did not remove the bolt but gave it a liberal spray with Copper slip spray which should penetrate into the swivel. It is a smooth gear change.
    Reading the recent posts is making me think to change the bolt for my own sake. Be interesting to see the condition of the old one.

    Does the general feeling of this fault come down to lack of lubrication and what is there to stop a new bolt from shearing? They haven't altered the bolt design or tolerance.

    seadog
    seadog

     



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